In his first period, Mr. Mueller had 27 students in his virtual class after 5 students left the class. Which equation can be used to find b, the number of students in his class before the 5 students left?

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