Explain why the relation represented by each equation is or is not linear. a. y=2+3x
b. y=2x(x - 5) - 2x2
C. y=4x2
d. y= 500

Please help T-T

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?