Zane, a sign maker for a store, makes a sign advertising wooden toy chests for sale at a price of $132 each. However, the wooden toy chests only cost the store $88 each. What percentage is the mark-up?

Joe has a rectangular chicken coop. the length of the coop is 4 feet less than twice the width. the area of the chicken coop is 510 square feet. what is the length of the chicken coop?

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.

Find the difference (8ab+a+2) - (3ab+6)