What is the scaling factor needed for a recipe with a desired yield of 45 and an original yield of 9?

The perimeter of a movie screen is 54 meters. the screen is 18 meters wide. how tall is it?

The area of a rectangle is 54x^9y^8 square yards. if the length of the rectangle is 6x^3y^4 yards, which expression represents the width of the rectangle in yards

Bill works as a waiter and is keeping track of the tips he ears daily. about how much does bill have to earn in tips on sunday if he wants to average $22 a day? tips by day tips (dollars) monday tuesday wednesday thursday friday saturday $14 $22 $28 $36