The price of a printer was reduced from $400 to $160. what was the percent decrease?

What is the average rate of change for this function for the interval from x=2 to x=4 ?

Which type of graph would allow us to quickly see how many students between 100 and 200 students were treated?

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