Find the length of the curve.x = (t3 - 3t), y = t2 + 6, 0 ? t ? 2

A.
B.
C.
D. 5


Answer: A

Mathematics

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Rewrite the number as a product of a whole number and a power of 10.2,400,000

A. 245 ? 10 B. 24 ? 104 C. 24 ? 105 D. 24 ? 106

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Simplify the expression. Write the answer using positive exponents.(4p3)-3

A.
B.
C. -64p9
D.

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Factor by grouping.3x(x + 4) + 5(x + 4)

A. (3x - 5)(x + 4) B. (3x + 5)(2x + 8) C. (3x + 5)(x + 4) D. (3x + 4)(x + 5)

Mathematics

Simplify.- x - y + x - y - x + y

A. x + y
B. x + y
C. x + y
D. 0

Mathematics