Simplify the expression. Use positive exponents. Assume variables represent nonnegative numbers.(-9y)(-2y3)

A. 9y - 2y3
B. -11y3
C. -18y4
D. 18y4

Answer: D

Mathematics

Graph the function.y = - sin x

A.

B.

C.

D.

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Mathematics

Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.12x2 - 42x - 24

A. (12x - 6)(x + 4) B. 6(2x + 1)(x - 4) C. 6(2x - 1)(x + 4) D. prime

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Mathematics

Simplify the expression using the product and quotient properties of square roots. Assume that any variables represent positive real numbers.

A. x³yz²
B. x³yz²
C. xyz
D. x¹⁵y⁵z¹⁰

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Mathematics

Write the first four terms of the geometric sequence.a =3, a5 = 48

A. 48, 24, 12, 6 B. 6, 12, 24, 48 C. 3, 6, 12, 24 D. 24, 12, 6, 3

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Mathematics