What are the constants in the expression below? check all that apply. 12+x-3.7-8y+1/3 -8 -3.7 1/3 x 1 12

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?