Neil and tom love to collect baseball cards. neil has 83 more baseball cards than tom. neil has 517 baseball cards. how many baseball cards does tom have?

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?