What is the radius, in centimeters, of a circle that has a
circumference of 18 1/2 π ?

What is the perimeter of a rectangle if the length is 5 and the width is x?

Three friends are comparing the prices of various packages of golf balls at a sporting goods store. hector finds a package of 6 golf balls that costs $4.50.

Ahmed plans to add a rectangular sunroom to his house. the sunroom will have a length of 14 feet and a width of 10 feet, and the construction will cost $40 per square foot. how much more would the sunroom cost if it’s width were increased to 12 feet?