Subtract.14 - (-21)

A. -35
B. 35
C. 7
D. -7

Answer: B

Mathematics

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A. 40 ft B. 42 ft C. 36 ft D. 44 ft

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A. function B. not a function

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Simplify the radical expression. Assume that all variables represent positive real numbers.

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B. 4x2y
C. 28xy
D. 2x4y2

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