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College Bound Math Problems #15 week of February 9, 2015 Answers to these questions are on this page in large type. February 2015 Monday 9 Find a perfect square that is the sum of two different positive cubes. (The positive cubes are 13, 23, 33, 43...) Tu 10 Wednesday 11 What two-digit Thursday 12 In English, some number and its square, numbers have an extra and its cube, and its name. For example, 20 fourth power are all can be called "twenty" symmetric numbers? or "a score." (Lincoln (They're also called took advantage of this palindromes). That is, in his Gettysburg each of them remains speech.) What number the same when its and its square both digits are reversed, have an extra name? (for example, 2002). Fri 13