Why are the following expressions not monomials? 3cdx x+2w 3/h ab-1 Which expressions are monomials? – 4 + 6 b + 2b + 2 (x – 2x)2 rs/t 36x2yz3 ax x^1/3

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?