x	25	44	29	47	23	40	34	52
y	32	21	26	13	29	17	21	14

x = 294, y = 173, x² = 11,600, y² = 4077, xy = 5878, and

r 0.9281.

1. Find x, and y. Then find the equation of the least-squares line = a + bx. (Round your answers to four decimal places.)

2. Suppose a car weighs x = 39 (hundred pounds). What does the least-squares line forecast for y = miles per gallon? (Round your answer to two decimal places.)