The expression 0.07(0.9x - 5) models the amount of sales tax on a purchase that included a percent and money-off coupon, where x is the original price. Drag each part of the expression to the description that it matches. Sales tax rate, Money-off coupon, Cost after the percent discount is deducted from the original price, total cost before sales tax is applied 0.07, (0.9x - 5), 0.9x, -5