Use the power rule and the power of a product or quotient rule to simplify the expression.(x9y)2

A. x18y2
B. x11y3
C. x18y
D. x11y


Answer: A

Mathematics

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A. cot 2x B. cos 2x C. sin 2x D. tan 2x

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Add.5.8 + (-8.4)

A. 2.6 B. -14.2 C. -2.6 D. 14.2

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Solve the problem.Find the dimensions that produce the maximum floor area for a one-story house that is rectangular in shape and has a perimeter of 

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Mathematics