Which of the following is not a term in the expression 7 + 2d+ 9f4g+ gh? a. 7 b. 2d c. 9 d. gh

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