Use the product rule to multiply. Assume all variables represent positive real numbers. ? 

A. 48
B. -2
C. 14
D. -48

Answer: D

Mathematics

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Solve D = rt for r.

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Find the exact value under the given conditions.Given cos u = - , with u in quadrant II, and sin v = , with v in quadrant II. Find cot(u + v).

A.
B.
C. - 
D. - 

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 Evaluate the expression.(-0.5) 5

A. -0.03125 B. -0.003125 C. -0.3125 D. 100

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Decide whether the pair of lines is parallel, perpendicular, or neither.3x - 8y = 2 and 32x + 12y = -16

A. Parallel B. Perpendicular C. Neither

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