A city manager wants to add a playground in a new city park. The rectangle below represents the plan for the dimensions of the rectangular playground.
area = x^2 + 18x + 45; Width=W; Length = x+15
a. Find the width (w) of the rectangle if the area of the rectangle is x2 + 18x + 45.
b. Find the dimensions (length * width) and the area of the playground if x = 8 yards.
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