Volume and surface area of cylinders
What is the volume of a cylinder with base radius 4 and height5
Either enter an exact answer in terms of it or use 3.14 for 7 and enter your answer as a decimal.

An airplane is flying at an elevation of 5150 ft, directly above a straight highway. two motorists are driving cars on the highway on opposite sides of the plane, and the angle of depression to one car is 35 ̊ and to the other is 52 ̊. how far apart are the cars?