ALGEBRA I CREATIVE TEST REVIEW 1. Anton joined a golf club two years ago. He pays an annual membership fee of $895 and a greens fee of $30 each time he plays a game of golf. The function below can be used to calculate the total yearly golfing fee, f (g), in dollars. f (g) = 895 + 30g, Where g represents the number of times he played golf during the year. Last year he paid $2,065 as a total golfing fee. For how many games did he pay a greens fee? 2. For the function(x)= 3x + 2, find x such that x=f(14) 3. A. The domain consists of input values from -5 to 3. B. The domain consists of input values from -4 to 6. C. The domain consists of input values from -5 to 6. D. The domain consists of input values from -4 to 3. 4. Gregory teaches martial arts. He charges a one-time processing fee of $5.00 and the cost of the classes is shown below. Let x represent the number of classes and y represent the cost of classes. Based on this information, what will it cost to take 10 classes? Cost of Classes (not including processing fee) Number of Classes, x Cost of Classes, y 1 $15.00 A. $123.00 B. $125.00 C. $128.00 D. $130.00 5. Solve the equation. −4(x + 10) − 6 = −3(x − 2) 2 3 4 $27.00 $39.00 $51.00 6. A bookstore sold 18,000 paperbacks one month. This was 10% less than the number of paperbacks the store sold the previous month. The following equation represents this situation, where x represents the number of paperbacks sold the previous month. x - 0.1x = 18,000 How many paperbacks did the store sell in both the months combined? A. 20,000 B. 35,990 C. 38,000 D. 180,000 7. Shades R Us charges $20 per day to rent a lounge chair and $15 per day to rent an umbrella. Dan and Lisa paid a total of $245 to rent a lounge chair and an umbrella each during their vacation. Lisa rented the chair and umbrella for 1 day less than Dan. The following equation represents this situation, where x represents the number of days Dan rented the lounge chair and umbrella. 20x + 15x + 20(x - 1) + 15(x - 1) = 245 What is the total amount Dan paid to rent the lounge chair and umbrella during his vacation? A. $80 B. $105 C. $140 D. $17 8. Which property would be used first to simplify the expression 2(x +5y – 1) – 4(3x – y – 2) ? A. Distributive B. Identity C. Inverse D. Commutative 9. Your daily workout plan involves a total of 40 minutes of running and swimming. You burn 20 calories per minute running and 10 calories per minute swimming. Let r be the number of minutes you run. How many calories will you burn in your 40 minute workout if you run for 20 minutes? 10. Which mathematical sentence represents the solution for d in the equation 6e = ef + 3d? 𝐴. 𝑑 = B. d= C. d= 6𝑒 − 𝑒𝑓 3 6𝑒+𝑒𝑓 3 2𝑒−𝑒𝑓 3 D. d= 2𝑒 + 𝑒𝑓 11. The formula for the perimeter P of a rectangle with length l and width w is P = 2l + 2w. Which of the following is a formula for the length of a rectangle in terms of the perimeter and width? 𝑝−𝑤 A. L= 2 𝑝+𝑤 B. L= 2 𝑃−2𝑤 C. L= 2 𝑃+2𝑤 D. L= 2 12. Which of the following is the solution for 4x – 4 > 12? A. x ≥ 4 B. x ≤ 4 C. x > 4 D. x < 4 13. Mia is a sales associate at an art gallery. Each week she earns $300 plus a 4% commission of all her sales. This week she earned $327. How much were Mia’s art sales this week? 14. Which of the following represents the linear equation 3x = 12 – 2y in standard form? 𝐴. 𝑦 = − 𝐵. 𝑦 = 3𝑥 2 3𝑥 2 +6 −6 𝐶. 3𝑥 − 2𝑦 = 12 𝑑. 3𝑥 + 2𝑦 = 12 15. Which of the following represents the linear equation 2x = y + 3 in slope-intercept form? A. 2x + y= 3 B. 2x – y= 3 C. y = 2x+ 3 D. y = 2x – 3 16. The travel path of a ferry heading from a mainland harbor toward an island jetty is graphed on a coordinate grid. The graph is a straight line with a slope of – ¼. If the mainland harbor is located at point (2, 1), which graph represents the travel path of the ferry? A. B. C. 17. For a science experiment Corrine is adding hydrochloric acid to distilled water. The relationship between the amount of hydrochloric acid, x, and the amount of distilled water, y, is graphed below. Which inequality best represents this graph? A. B. C. D. 2y - 3x < 0 3y - 2x < 0 2y - 3x > 0 3y - 2x > 0 18. What is the y-coordinate of the y-intercept of the line that passes through the points (–4, –4) and (4, 8)? 19. Which equation represents the line passing through the points (3, 2) and (–9, 6)? A. x – 3y = 9 B. x + 3y = 9 C. 3x – y = -9 D. 3x + y = 9 20. A company builds computers. It costs $6,700 to build 10 computers and $12,200 to build 20 computers. Which equation models the cost, C(x), as a linear function of the number of computers built, x? A. C(x) = 550x -1200 B. C(x) = 550x + 1200 C. C(x) = 1200x - 550 D. C(x) = 1200x + 550 21. The graph below shows the revenue earned by a company in its first 4 quarters of operation. A line of best fit has been drawn on the graph. Based on the linear model, how much revenue, in thousands of dollars, should the company earn in its 5th quarter of operation? 22.Which point lies in the solution set for the following system of inequalities? x − y > 3 x + 2y < 6 A. (7, 1) B. (3, 4) C. (-2, 2) D. (4, -2) 23. Which system of equations is represented by the following graph? A. x − 2y = 6 x+y=3 B. y = x + 3 y=−½x+3 C. y = x – 3 y=½x+3 D. x + 2y = 6 x−y=3 24. Determine the value of y for the system of equations. x − 3y = 4 2x + y = 8 25. An auditorium earned $25,000 in sold-out concert ticket sales. Front section tickets cost $75 per seat and back section tickets cost $50 per seat. The number of front section seats is twice the number of back section seats. How many seats are in the front section? 26. The sales tax rate at a clothing store is 8.75%. Sales tax on an item is a function of its price. Which of the following is the dependent quantity in this function? a. b. c. d. The sales tax rate on the item The item’s price The amount of sales tax on the item The item’s size 27. Which of the following relations is a function? I. II. III. IV. a. b. c. d. {(0,0), (0,1), (0,2)} {(0,0), (1,1), (2,4)} {(0,0), (1,2), (2,2)} {(0,0), (1,2), (1,3)} I, II, and III only I and II only II and III only III and IV only 28. Southern Phone Company is promoting a new cell phone service plan: a customer can make up to 500 minutes of calls each month for $39.99. If the number of minutes used in a month exceeds 500, then the function 𝑐 = 0.40(𝑚 – 500) + 39.99 describes the monthly charge, c, in dollars in terms of m, the total number of minutes used. Which of the following statements best describes this function? a. If the total number of minutes used is more than 500, then every minute beyond 500 costs 40 cents. b. Every minute used costs 40 cents, regardless of the total number of minutes used. c. The first 500 minutes used costs 40 cents each, after which there is an additional charge of $39.99. d. If the total number of minutes used is more than 500, then every minute used costs 40 cents. 29. What is the domain of the function graphed below? a. b. c. d. 0<𝑥 2<𝑥 0<𝑥 0<𝑥 ≤5 ≤5 ≤4 <2 30. In the quadratic equation 𝑥 2 – 𝑥 + 𝑐 = 0, 𝑐 represents an unknown constant. If 𝑥 = −3 is one of the solutions to this equation, what is the value of 𝑐? Record your answer and fill in the bubbles on your answer document. 31. Which of the following is not a correct description of the graph of the function 𝑦 = − 2𝑥 – 7? a. The graph of the function contains the point (−2, −3), and when the value of 𝑥 increases by 1 unit, the value of 𝑦 decreases by 2 units. b. The graph of the function contains the points (-1, -5), (2, -11), and (4, -15). c. The graph of the function is a line that passes through the point (0, -7) with a slope of -2. d. The graph of the function contains the points (0, -7), (1, -9), and (3, -1). 32. If (2k, k) and (3k, 4k) are two points on the graph of a line and k is not equal to 0, what is the slope of the line? a. 3 b. 3k c. 1 3 d. Not here 33. The amount an appliance repairmen charges for each job is represented by the function 𝑡 = 50ℎ + 35, where h represents the number of hours he spent on the job and t represents the total amount he charges in dollars for the job. The repairman plans to change the amount he charges for each job. The amount he plans to charge is represented by the function 𝑡 = 50ℎ + 45. What will be the effect of this change on the amount he charges for each job? a. b. c. d. The total amount he charges for each job will increase by $10. The total amount he charges for each job will decrease by $10. The amount he charges per hour will increase by $10. The amount he charges per hour will decrease by $10. 34. The sum of the perimeters of two different squares is 32 centimeters, and the difference between their perimeters if 8 centimeters. If x represents the side length of the larger square and y represents the side length of the smaller square, which of the following systems of equations could be used to find the dimensions of the squares? a. 𝑥 + 𝑦 = 32 𝑥– 𝑦 = 8 b. 4𝑥 + 4𝑦 = 32 4𝑥 – 4𝑦 = 8 c. 2𝑥 + 2𝑦 = 32 2𝑦 – 2𝑥 = 8 d. 4𝑥 + 2𝑦 = 32 4𝑥 – 2𝑦 = 8 35. Some values for two linear equations are shown in the tables below. What is the solution to the system of equations represented by these tables? a. b. c. d. (2, 3) (3, 5) (-1, 1) (5, 11) 36. The graph of a quadratic function is shown below. Which statement about this graph is not true? a. b. c. d. The graph has a y – intercept at (0,8). The graph has a maximum point at (-1, 9). The graph has an x – intercept at (2, 0). The graph has the y – axis as a line of symmetry. 37. The graph of a quadratic function is shown below. What is the best estimate of the positive value of x for which this function equals 8? a. b. c. d. 2 4 13 7 38. A population of 1500 deer decreases by 1.5% per year. At the end of 10 years, there will be approximately 1290 deer in the population. Which function can be used to determine the number of deer, y, in this population at the end of t years? a. b. c. d. y = 1500(1 – 0.015)t y = 1500(0.015)t y = 1500(1 + 0.015)t y = 1500(1.5)t 39. Which function could be used to describe the data set shown? {(6, 3), (4, 1), (2, -1), (-2, -5)} a. b. c. d. y=x+3 y=x–2 y=-x y= x – 3 40. Which of the following equations does NOT represent a function? a. b. c. d. x = y2 + 2 x = 3y + 1 y = x2 + 1 y=x+2 41. Emma opened a checking account with her first summer paycheck, which was in the amount of $90. Each week she deposits $60 of her pay into the account. The table shows the balance in the account, b, after w weeks have passed. Which equation best describes the balance? a. b. c. d. y = 90(60w) y = 90 + 60w y = 90 + 60 + w y = (90 + 60)w 42. The function f(h) = 3.00 + 0.50(h – 2) represents the daily charge for parking at the beach where h > 2 hours of parking. The best interpretation of this function is that it costs _________________. a. a $3.50 hourly rate for all hours parked up to 2 hours b. a $3 per hour rate for the first 2 hours parked and an additional $0.50 per hour for hours parked over the first 2 hours c. the same $3.00 per hour rate for any number of hours parked d. a $0.50 hourly rate for any hours parked over 2 hours 43. Which statement best describes the graph of y = x2? a. b. c. d. an upside down parabola whose vertex is at (0, 1) a line with a slope of 1 a parabola whose vertex is at (0, 1) a parabola whose vertex is at (0, 0) 44. The graph shows the height, in feet, of a football t seconds after it is thrown. Which statement is true? a. b. c. d. The balls maximum height is 1 The balls minimum height is 6 feet The balls height increases for a total of 4 seconds The ball hits the ground at 4 seconds 45. Gustav has $300 in his wallet. If he buys 5 items that each cost d dollars, which expression represents the new balance in Gustav’s wallet? a. $300 - 5d b. $300 + 5d c. $300(5d) d. $300 - 5 – d 46. The length of a rectangle is x + 4, and the width is x – 3. Which expression represents the perimeter of the rectangle? a. 2x – 1 b. x2 – 12 c. 4x + 2 d. x 2 + x – 12 47. Which expression is equivalent to 15x 2 – 5x – 2 + 3x – 8x 2 + 7? a. 7x2 - 2x + 5 b. 7x2 - 2x – 5 c. 7x4- 2x2 d. 7x2 + 2x - 5 + 5 48. Simplify the following algebraic expression: 8x2 – 5(x + 2) – 4x(x – 8) a. b. c. d. 4x2 + 27x – 10 12x2 – 9x + 10 4x2 + 9x – 6 12x2 + 27x – 6 49. Coach Smith ordered pizzas for the football team and the coaches. He ordered 6 slices per team member and 40 slices for all the coaches together. The total number of pizza slices can be modeled by the function f(x)=6x + 40,where x is the number of football players. Which of the following is the dependent variable? a. The number of team members b. The number of slices of pizza ordered c. The number of coaches d. The number of pizza slices per team member 50. Mrs. Douglas packs candy bars into boxes for the members of the school band to sell as a fundraiser. Each candy bar weighs 6.25 ounces, and the empty box weighs 3.15 ounces. If the function y = 6.25x + 3.15 describes the total weight of the packed box, what does the independent variable represent? Total weight of a box filled with candy bars Total number of boxes filled with candy bars Weight of each candy bar inside a box Number of candy bars into a box (A) (B) (C) (D) 51. The table above shows the cost of filling differently sized gas tanks on various vehicles. Assuming the cost of a gallon of gas stays constant, determine a relationship for filling any size gas tank (A) (B) (C) (D) y = 1.98x y = 0.50x y = 3.50x y = 2.25x 52. Which of the following data tables represents a functional relationship? 53. At a fast food restaurant, tacos cost $0.75 each and burritos each cost $1.10. Wayne wants to buy some of both, but has only $6 to spend. Which inequality describes the number of tacos, t, and burritos, b, he can buy? (A) (B) (C) (D) 0.75t + 1.10b < 6 0.75b + 1.10t < 6 0.75t + 1.10b > 6 0.75b + 1.10t > 6 54. Casey watched a hot-air balloon show from a hotel balcony, which he estimated was 50 feet off the ground. The hot-air balloons were lifting from the ground and rising at a rate of 8 feet per second. Assuming Casey’s position at the origin, which function relates the vertical position of the balloon on the coordinate plane, d, to the number of seconds since the balloons launched, t? (A) d = 8t + 50 (B) d = 8t – 50 (C) d = -8t + 50 (D) d = 8t 55. The figures represent one paper cup and five paper cups stacked together. The table shows the heights of stacks having different numbers of cups. What function rule gives the actual height, h, of a stack of cups in terms of the number of cups, c, in a stack? (A) (B) (C) (D) c = 2 + 8h h = 2 + 8c c = 8 + 2h h = 8 + 2c 56. Marcus makes the statement “15 more than twice a number is equal to 5”. What number makes Marcus’s statement true? (A) 10 (B) 7.5 (C) -5 (D) -2.5 57. Which of the following relations is not a function? (A) {(4,1), (3,-5), (2,1), (-4,1), (-2,5)} (B) (C) (D) 58. All of the following represent the linear parent function except ________. (A) f(x) = x (B) (C) (D) a y-intercept at 0 and a slope of 1 59. Which function rule represents the parent function of the transformed function graphed here? (A) y = x (B) y = -x (C) y = x2 (D) y x 60. A function consists of the seven points shown in the graph. What is the range of the function? (A) (B) (C) (D) {0, 1, 2, 3} {-2, -1, 0, 1, 2, 3, 4} {-3, 0, 2, 3} {-3, -2, -1, 0, 1, 2, 3} 61. What is the domain of the function below? (A) (B) (C) (D) {1, 2, 3, 4} {-5, -4, -2, -1} {1, 2, 4, 5} {-4, -3, -2, -1} 62. The scatter plot shows the grades for ten students on a recent test in relation to the time that each student spent studying. What kind of correlation exists? A. (A) (B) (C) (D) Positive correlation Negative correlation No correlation The correlation cannot be determined 63. Which coordinate pair best represents the y-intercept of the linear function in the graph shown? (A) (B) (C) (D) (0, -24) (0, -21) (0, -18) (5.14, 0) 64. The student council is making corsages to sell at prom. They spent $350 on materials such as flowers, ribbons, elastic, and pins. They are selling the corsages for $7.50 each. They need to earn $700 to pay for prom decorations. Which equation will determine the correct number of corsages, c, that the class needs to sell to pay for the prom decorations? (A) (B) (C) (D) 350 – 7.50c > 700 700 – 7.50c > 350 7.50c – 700 > 350 7.50c – 350 > 700 65. The following solution for this equation is incorrect: What error was made in solving this problem? Incorrectly combining like terms Incorrect addition Incorrect subtraction Incorrect division (A) (B) (C) (D) 66. Margo has $100 in her bank account and is saving $50 per month. Jon has $75 in his bank account and is saving $100 per month. Which of the following systems of equations would tell how many months, x, it will take for Margo and Jon to have the same amount of money, y? (A) y = 100 + 50x y = 75 + 100x (B) y = 100 + 75x y = 75 + 75x (C) y = 75 + 50x y = 75 + 75x (D) y = 100 + 50x y = 75 + 50x 67. The graph of a line is shown. What is the equation of the line formed by multiplying the slope by 2 and adding 1 to the y-intercept? (A) y = -4x (B) y = -2x – 2 (C) y = -x (D) y = -2x + 0.5 68. How has the slope and y-intercept been changed from Graph A to Graph B? (A) (B) (C) (D) The slope was increased by ½ and the y-intercept was increased by 2. The slope was increased by 2 and the y-intercept was increased by ½. The slope was decreased by 2 and the y-intercept was decreased by ½. The slope was decreased by ½ and the y-intercepts was increased by 2. 69. At a delivery company, the cost for mailing a package depends on its weight, according to the graph shown. What is the range of the function shown? (A) (B) (C) (D) 0 < y < 35 y > 10 y < 40 10 < y < 40 70. The table represents the cost for oranges in Mr. Nguyen’s store. In this situation, cost is a function of the number of oranges. Which one of the following sets represents the domain of this function? (A) (B) (C) (D) 71. The graph of y = x2 is a parabola with its vertex at (0,0). Which is true about the graph of y = ½ x2 ? (A) The graph moves down the y-axis ½ of a unit. (B) The graph is narrower (C) The graph is wider (D) The graph opens downward 72. How does the parabola whose function rule is f(x) = 4x2 compare to the parabola whose function rule is f(x)= x2? (A) The vertex of f(x) = 4x2 is 4 units above the x-axis. (B) The vertex of f(x) = 4x2 is 4 units to the right of the origin. (C) The graph of f(x) = 4x2 is narrower than the graph of f(x) = x2. (D) The graph of f(x) = 4x2 is wider than the graph of f(x) = x2. 73. Which function below best describes the function f(x) = x2 – 4 shifted 8 units up. (A) (B) (C) (D) f(x) = x2 + 8 f(x) = x2 + 4 f(x) = x2 – 12 f(x) = x2 74. What is the difference between the graphs of y = x2 + 3 and y = x2 – 7? (A) (B) (C) (D) The graph of y = x2 + 3 is 10 units above the graph of y = x2 -7. The graph of y = x2 + 3 is 3 units above the graph of y = x2 – 7. The graph of y = x2 – 7 is 7 units below the graph of y = x2 + 3. The graph of y = x2 – 7 is 4 units to the left of the graph of y = x2 + 3. 75. Here is a sequence of numbers: 9, 12, 15, 18, 21,…. Which of the following expressions will generate this sequence, if n represents the term number? (A) (B) (C) (D) 3n + 9 9n + 3 3n + 6 2n + 7 76. Which expression best represents the area of this square with sides of 3x2y3? a. b. c. d. 3x4y9 6x4y6 9x4y9 9x4y6 77. Simplify (2x2y3)(4y2z4)(9xyz2). a. b. c. d. 72x4y6z8 24x3y5z6 15x3y6z6 72x3y6z6 78. Simplify 9 x3 y 4 z 3x 2 y 5 z (A) 9 xyz 2 2 (B) 3x y (C) 3xyz (D) 3x 2 y 79. If the length of a rectangle is 6a4b2 and the width is 2a5b3 , what expression best represents the rectangle’s area? (A) (B) (C) (D) 3ab 12a9b5 12a20b6 8a9b5 80. The length of a rectangular courtyard can be represented by (3x + 5) and the width by (2x – 3). Which expression best represents the area of the courtyard? 6x2 + x -15 14x2 + 6x + 4 6x2 – 15 5x2 + 2 (A) (B) (C) (D) 81. A rectangle has the dimensions (x + 3) and (3x + 4). What is the perimeter of the rectangle? (A) (B) (C) (D) 8x + 14 4x + 7 3x2 + 13x + 12 3x2 + 6x + 12 82. The numbers 3,4, and 5 are called a Pythagorean triple because the numbers satisfy the equation a2 + b2 = c2. Any common multiples of 3,4, and 5 will also be a Pythagorean triple. All of the following are Pythagorean triples except-a. b. c. d. 15, 20, and 25 36, 48, and 60 75, 100, and 125 18, 30, and 42 83. The length of the hypotenuse of a right triangle is 25 cm. and the length of one leg is 7 cm. What is the area of the triangle? a. 24 cm2 b. 168 cm2 c. 175 cm2 d. 84 cm2 84. A square has a perimeter of 36 ft. What is the length of the diagonal, to the nearest foot? a. b. c. d. 85. 6 ft. 13 ft. 12 ft. 7 ft. The Martins are building a patio in the shape shown. What is the area of the patio? (A) (B) (C) (D) 21 ft2 108 ft2 54 ft2 90 ft2 86. A photographer is taking a picture of a volcano. To stay safe, he is 215 yards from the bottom of the volcano and 330 yards from the top of the volcano. How tall is the volcano? (A) 250.35 yards (B) 393.86 yards (C) 115 yards (D) 62,675 yards 87. What is the total surface area of this cylinder, to the nearest tenth of a square centimeter? 565.5 cm2 339.3 cm2 169.6 cm2 226.2 cm2 (A) (B) (C) (D) 88. Cannara’s soup company has created a new can. It has a diameter of 3 in. and a height of 5 in. If the label on the can covers all but the top and bottom, what is the approximate area of the label? Use 3.14 for pi. a. b. c. d. 47.1 in2 23.6 in2 35.3 in2 61.2 in2 89. A candy company plans to design a new, larger box for its premium chocolates. The figure shows the current dimensions of the box. If all the dimensions of the box are increased by 3 cm, what will be the total surface area of the new box? a. b. c. d. 444 cm2 560 cm2 822 cm2 1332 cm2 90. What is the approximate distance from point (-2,8) to (-5,7)? 5 5 5 (A) (B) (C) (D) 3.2 units 2 units 6.32 units 7.1 units 91. Two sides of triangle PRT are extended to create a similar triangle PLK, as shown. If x represents the length of segment LK, then what is the value of x? (A) (B) (C) (D) 11 15 16 12 92. A tree casts a shadow 12 feet long, while a nearby building casts a shadow that is 6 feet long. If the tree is known to be 20 feet high, how tall is the building? (A) (B) (C) (D) 10 feet 40 feet 3.6 feet 120 feet 93. A magician asks Katie to pick two cards from a standard deck of 52 cards, with half the cards red and half the cards black. What is the probability that both of the cards drawn will be red? (A) (B) 1 2 1 13 (C) 25 102 (D) 1 26 94. If the circle graph represents the distribution of Sally’s $200 allowance, how much does she spend on clothing? (A) (B) (C) (D) $10.00 $30.00 $45.00 $90.00 95. Which method could be used to compute the solution to the equation 3x + 22 = 50? (A) (B) (C) (D) Subtract 22 from 50, then divide the result by 3 Add 22 and 50, then divide the result by 3 Multiply 3 and 50, then add 22 to the result Divide 50 by 3, then subtract 22 from the result 96. A cube has a volume of 216 cm2. If the edge of the cube is increased 1.8 times its original length, what is the volume of the enlarged cube to the nearest hundredth of a cubic centimeter? (A) (B) (C) (D) 1259.71 cm3 388.80 cm3 120.00 cm3 699.84 cm3 97. Rachel timed how long it takes her to get to work each day. She recorded the following times (in minutes) for the last 5 week days: 27, 32, 28, 25 and 28. She was asked to come in on Saturday and it took her 19 minutes. Which measure of central tendency will give her the lowest time for all six days? (A) (B) (C) (D) Median Mode Mean Range Answer Key for Algebra 1 Problem Bank 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. 29. 30. 31. 32. 33. 34. 35. 36. 37. 38. 39. 40. 41. 42. 43. 39 4 A 0 -52 C C A 600 A C C 675 D D C D 2 B B 50,000 D D 0 250 C C A A -12 D A A B D D D A D A B B D 44. D 78. B 45. A 79. C 46. C 80. A 47. A 81. A 48. A 82. D 49. B 83. D 50. D 84. B 51. A 85. D 52. B 86. A 53. A 87. C 54. A 88. A 55. D 89. C 56. C 90. A 57. B 91. D 58. C 92. A 59. C 93. C 60. C 94. D 61. B 95. A 62. A 96. A 63. C 97. D 64. D 65. A 66. A 67. C 68. D 69. D 70. A 71. C 72. C 73. B 74. A 75. C 76. D 77. D