the data in the table represent the relative distance, in miles, between a car and a particular mile marker on a highway over time. what does the slope of the linear equation that models the data indicate? a. the car traveled at 62 miles per hour. c. the car started out 19 miles from the mile marker. b. the car traveled 59 miles the second hour. d. the car traveled away from the marker at 19 miles per hour.