Liam is setting up folding chairs for a meeting. If he arranges the chairs in 9 rows of the same length, he has 5 chairs left over. If he arranges the chairs in 7 rows of that same length, he has 13 left over. How many chairs does Liam have? Please hurry and answer thank you

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