Make a scatter plot of the data below. Speed (mph) Stopping distance (ft) 10 12.5 20 36.0 30 69.5 40 114.0 50 169.5 60 249.0 70 325.5 Use the quadratic regression feature of a graphing calculator to find a quadratic model. Round to the nearest hundredths place. a. b. c. d. Please select the best answer from the choices provided