Simplify by combining like terms.2a + 7 - 9ab - 4ab - 8a

A. -6a - 13ab + 7
B. -6a + 13ab + 7
C. -6a - 5ab + 7
D. 6a - 13ab + 7

Answer: A

Mathematics

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Find the perimeter of the specified triangle. Assume the triangles are similar.Find the perimeter of the triangle on the left.

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Find (f ?g)(x) for the given functions f(x) and g(x).f(x) = 5x + 7 and g(x) = -6x + 2

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