Perform the indicated operations. Express the answer as a single polynomial in standard form.8x7(-2x5 + 7)

A. -16x12 + 7
B. -16x12 + 56x7
C. 40x7
D. -16x5 + 56


Answer: B

Mathematics

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A. x = 1, y = 1 B. x = -1.5, y = -1 C. infinite number of solutions D. no solution

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Evaluate the factorial expression.

A. 56 
B. 2! 
C.
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