Multiply.(x + 11)(3x + 9)

A. 3x2 + 99x + 42
B. 3x2 + 40x + 99
C. 3x2 + 42x + 99
D. 3x2 + 42x + 42


Answer: C

Mathematics

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Solve.Write a polynomial in factored form that represents the total area of the figure.

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Mathematics