This table shows the distance traveled by a car and the car’s average speed on different days. a three column table with six rows. the first column, day, has the entries 3, 4, 5, 6, 7. the second column, average speed in miles per hour, has the entries, 55, 58, 63, 65, 68. the third column, distance in miles, has the entries, 495, 660, 825, 990, 1,155. given that the days are the independent variable, which dependent variable has a constant rate of change? what is the constant rate of change?