12. This graph and equation each show the distances y, in kilometers, of two different cars from a destination after x hours. 1.14 240 180 60 -90x +180 -90 (0) +180 0+180-180 Distance from Destination (in kilometers) Car A Car B y=-90x+180 240 160 80 012345 Time (in hours) What is the difference between the cars' initial distance, in kilometers, from their destination? A. 10 kilometers B. 60 kilometers C. 170 kilometers D. 180 kilometers