Multiply or divide.

A. -31
B. -21
C. 21
D.

Answer: C

Mathematics

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A.
B.
C.
D.

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Perform the indicated operation and, if possible, simplify.

A. - 
B. - 1
C. - 
D.

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Factor the polynomial using the negative of the greatest common factor.-18a3b2 - 27ab

A. -9a(2a2b2 + 3b) B. -9ab(2a2b + 3) C. 9ab(-2a2b - 3) D. -9ab(2a2b - 3)

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Solve the quadratic inequality by any method. Write your answer in interval notation.-x2 ? 5

A. No solutions
B. (-?, 0] ? [, ?)
C. (-?, 0)
D. (-?, ?)

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