Different hotels in a certain area are randomly selected, and their ratings and prices were obtained online. Using technology, with x representing the ratings and y representing price, we find that the regression equation has a slope of 135 and a y-intercept of -363. Complete parts (a) and (b) below. a. What is the equation of the regression line? Select the correct choice below and fill in the answer boxes to complete your choice OA y OB Oc OD. y" b. What does the symboly represent? OA. The symboly represents the expected price when the hotel's rating is 0. OB. The symboly represents the predicted value of price. OC. The symbol y represents the amount that price increases with a 1-point increase in rating OD. The symboly represents the average price of hotels in the area