Solve the problem.Consider the figure below. (a) Write an expression for the length of the bottom. (b) Write an expression for the area of the largest rectangle.

A. (a) y + 9; (b) 3y(y + 9) or 3y2 + 27y
B. (a) 3y + 9; (b) y(3y + 9) or 3y2 + 9y
C. (a) 3y + y; (b) 9(3y + y) or 36y
D. (a) 6y + 18; (b) 2y(6y + 18) or 12y2 + 36y


Answer: B

Mathematics

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