Two cars are traveling along the same highway. the distance, d, in miles, from san francisco after h hours spent driving is described for each car below. car a: d = 60h + 20 select three statements that are true. a. car a is traveling at the same rate, in miles per hour, as car b. b. car a is traveling at a faster rate, in miles per hour, than car b. c. car a is traveling at a slower rate, in miles per hour, than car b d. car a is originally closer to san francisco than car b. e. car a is originally at the same distance from san francisco as car b. f. car a and car b are at the same distance away from san francisco after 4 hours.