Simplify.5x + 9xy - 7y + 6x - 2y

A. - 11x - 9y - 9xy
B. 11x - 5y + 9xy
C. 11x - 9y + 9xy
D. 11x + 9y + 9xy


Answer: C

Mathematics

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Evaluate the factorial expression.

A.
B.
C.
D.

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