An engineer wants to determine how the weight of a car, x, affects gas mileage, y. The following data represent the weights of various cars and their miles per gallon. Car A B C D E Weight (pounds), x 2560 2910 3260 3695 4240 Miles per Gallon, y 25.6 26.3 24.4 18.2 15.9 (a) Find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable. Write the equation for the least-squares regression line. y =]x + (Round the x coefficient to five decimal places as needed. Round the constant to one decimal place as needed.) des fo grade 9 10 S 35 3 ts $41 4 its