69 is what percent of 55.2?

Atriangle has an area of 72 square inches. if the base of the triangle has a length of 18 inches, what is the height of the triangle? use the formula for the area of a triangle: area = (base)(height) type a numerical answer in the space provided. do not include the units or spaces in your answer.

Find an equation of the line perpendicular to the graph of 28x-7y=9 that passes through the point at (4,1)

Rose bought a new hat when she was on vacation. the following formula describes the percent sales tax rose paid b=t-c/c