A shoe manufacturer has the marginal cost function MC(x)=20-0.02x, 0 (in dollars per pair), where x is the number of pairs of shoes produced each week. The fixed cost is $900. Determine the total cost of producing 250 pairs of shoes.

The art class is planning to paint a mural on an outside wall. this figure is a scale drawing of the wall. width: 11 in length: 28 in unit rate: 1.5 ft per in. write the ratio of the area of the drawing to the area of the actual mural. write your answer as a unit rate. show that this unit rate is equal to the square of the unit rate 1.5 ft per in