4
7
cost
Q items
9 Flo 40
f 2 O
10.19
a
2 hightides
8 n
tides
b 2 low
c 12hours
dependent
a independent
11.616.97 2.9
O
14.7 4
C
d L
2 6.1.4.9
33.19 ii
b i
3 10,0
35
V
d iv
e iii
a
36
14.2.2.61
20 Yes
22NO 24No
After oyears 00.3millionpeoplehavecellphones
b After a numberofyears20millionpeoplehavephones
a
C After20years b
d
a
fir
b
50inchesofsnow
C
fs
ofpeoplehavecellphones
number
Number ofphones equal
is
tollyearsafter1990
0.115
5 5inchesofrain