Use the equation of the line of best fit, y=0.93x+8.07, to answer the questions below. Give exact answers, not rounded approximations. (a) For an increase of one year of experience, what is the predicted increase in the hourly pay rate? $ (b) What is the predicted hourly pay rate for a cashier who doesn't have any experience? $ (c) What is the predicted hourly pay rate for a cashier with 5 years of experience? $