Which of the following equations is non-linear?

a. x + 12 = -8x + 10 - 2y

b. x = 8x + 19 - 10y

c. 2x + 6y = 14y - 19x^2 + 12

d. 2x + 13y + 14x - 7 = 16y - 3

Desmond wants to sell his car that he paid $8,000 for 2 years ago. the car depreciated, or decreased in value, at a constant rate each month over a 2-year period. if x represents the monthly depreciation amount, which expression shows how much desmond can sell his car for today? \ 8,000 + 24x 8,000 - 24x 8,000 + 2x 8,000 - 2x