Which statement about a right triangle is true?
a. the length of each leg equals 1/2 of the hypotenuse.
b. the square of the hypotenuse is equal to the sum of the squares of the legs
c. one leg is always longer than the hypotenuse.
d. a right triangle can have only one obtuse angle.

Which of the following describes the symmetry of the graph of y = x3?

Which of the following is a solution of z^6 = 64i? 2(cos105° + isin105°) 2(cos120° + isin120°) 2(cos135° + isin135°) 8(cos15° + isin15°)

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