PLEASE HELP! IF YOU CAN ONLY ANSWER ONE, IT'S STILL BETTER THAN NOTHING! PLEASE.

A vendor recorded the number of bottles of cold water and number of frozen treats she sold at a ballpark each day for the past 10 days as shown in the table below. The equation of the regression line is y^ = 1.7x - 0.4

(a) Complete the table by finding the predicted and residual values.
(b) Create a residual plot for the data set.
(c) Explain whether a line is a good fit for the data set.