On the way to her babysitting job mary rode her bike for the 1st mile. she stopped at a traffic light and waited a few minutes for the traffic light to turn green. she then walked her bike across the street and up a short steep hill. finally, she rode the bike at a constant speed for one more mile. if mary created a graph of her time and distance, which statement describes the part of a graph that would show no change in distance? a: mary used her bike to ride the first mile. b: mary stopped and waited for the traffic light to turn green. c: mary walked her bike across the avenue and up a short hill. d: mary rode her bike at a constant speed for one mile.