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 2725 3050 3295 3775 4045 miles per gallon, y 21.8 18.3 20.7 12.6 13.7 (a) find the least-squares regression line treating weight as the explanatory variable and miles per gallon as the response variable.

Someone answer asap for ! a ball is rolled down a ramp. the height, f(x), in meters, of the ball x seconds after it is released is modeled by the function f(x) = x²- 10x + 25 for all values of x from 0 to 5. which statement about the ball is true? a. the maximum height of the ball is 5 meters b. the height of the ball increases from 0 to 5 meters above the ground. c. the ball has traveled 5 meters when it reaches the bottom of the ramp. d. the ball has been traveling for 5 seconds when it reaches the bottom of the ramp