Acertain drug is made from only two ingredients: compound a and compound b. there are 4 millimeters of compound a used for every 7 millimeters of compound b. if a chemist uses 546 millimeters of compound b, how many millimeters of the drug will be made?

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