12. The capacity of the fuel tank in a car is 13.5 gallons. The table below shows the number of miles traveled and how many gallons of gas are left in the tank. Miles Traveled 0 75 120 160 250 300 Gallons Used 0 2.3 4.5 5.7 9.7 10.7 a) Find the line of best fit for the data, rounding all coefficients to the nearest thousandth. b) What is the correlation coefficient? Describe the relationship between the variables. c) Using your equation from part a, how many gallons of gas would be used if you traveled 210 miles? (round to the nearest tenth) d) If the gallons used were 6.8, predict how many miles were traveled. (round to the nearest mile). Using your equation found in part a