Angie has 12 feet if string. she will cut the string into equal lengths of 5 inches each. how much string will be left after she cuts as many of these lengths as possible?

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?