Which of the following equations is the inverse of the relation y = 3x +6? A y=-x-2 4-2 B. +2 3 C. y=3x-2 D. y = 3x + 2​

Rick is driving to his uncles house in greenville,which is 120 miles from ricks town .after covering x miles rick she's a sign stating that greensville is 20 miles away. which equation when solved will give the value of x. a: x+120 = 20 b: x x120 =20 c: x +20 equals 120 d: x x20= 120