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41/2 - 1 1/3 what is the answer as a fraction?

Find the required measurements of the following trapezoids. a = 8 cm b = 16 cm h = 10 cm

Suppose that the price p (in dollars) and the weekly sales x (in thousands of units) of a certain commodity satisfy the demand equation 4p cubedplusx squaredequals38 comma 400. determine the rate at which sales are changing at a time when xequals80, pequals20, and the price is falling at the rate of $.20 per week.