A young boy is flying a kite. He lets out 250ft of string. The kite is flying 112ft directly above the ground. What is the angle of elevation that is made with the ground?

Asphere has a diameter of 10 in. what is the volume of the sphere?

Which steps could be part of the process in algebraically solving the system of equations, y+5x=x^2+10 and y=4x-10

Adecorative window is made up of a rectangle with semicircles at either end. the ratio of ad to ab is 3: 2 and ab is 30 inches. what is the ratio of the area of the rectangle to the combined area of the semicircles? possible answers: a. 2: 3 b. 3: 2 c. 6: π d. 9: π e. 30: π