Simplify the exponential expression.(4x4)3x-15

A.
B.
C.
D.


Answer: B

Mathematics

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Shade the region in the xy-plane that satisfies the system of inequalities.9x2 + 4y2 ? 36(x - 1)2 - y ? 0

A.

B.

C.

D.

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Find the prime factorization of the composite number.126

A. 22 ? 32 ? 7 B. 14 ? 32 C. 2 ? 32 ? 7 D. 2 ? 3 ? 7

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Find all values of ? in [-4?, 4?] satisfying each of the following equations. cos ? = 1

A. ? = 0, 2?, 4? B. ? = -4?, -2?, 2?, 4? C. ? = -4?, -2?, 0, 2?, 4? D. ? = -3?, -?, ?, 3?

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Find the value of c for which the expression is a perfect-square trinomial. Then factor the perfect-square trinomial.x2 - 6x + c

A. -9; (x - 3)2 B. 9; (x - 3)2 C. 36; (x - 6)2 D. -36; (x - 6)2

Mathematics