Kiara is training for a bike race and is attempting to improve her average speed. With her old trainer, Kiara averaged a pace of 16 MPH. With her new trainer, she rode at an average speed of 20 MPH. By what percent did her average speed increase?

In the diagram, the measure of angle 9 is 85° which angle must also measure 85°?

The base of a triangle exceeds the height by 9 inches. if the area is 180 square inches, find the length of the base and the height of the triangle.

The perimeter of a rectangular lot of land is 436 ft. this includes an easement of x feet of uniform width inside the lot on which no building can be done. if the buildable area is 122 ft by 60 ft, determine the width of the easement. select one: a. 9 feet b. 18 feet c. 4.5 feet d. 7 feet