3. ricardo is enrolled in a video-game rental program. in the program, a certain number of rentals are free, and then a fee is charged for each rental. the fee for each rental is the same. the expression 3(r – 5) represents the total ricardo has paid for his rentals so far. the number of games he has rented so far is unknown. a. what does the first factor in the expression represent? explain how you know. b. what does the variable r in the second factor represent? explain how you know. c. what does the number 5 in the second factor represent? explain how you know.

Someone answer this asap rn for ! a discount store’s prices are 25% lower than department store prices. the function c(x) = 0.75x can be used to determine the cost c, in dollars, of an item, where x is the department store price, in dollars. if the item has not sold in one month, the discount store takes an additional 20% off the discounted price and an additional $5 off the total purchase. the function d(y) = 0.80y - 5 can be used to find d, the cost, in dollars, of an item that has not been sold for a month, where y is the discount store price, in dollars. create a function d(c(x)) that represents the final price of an item when a costumer buys an item that has been in the discount store for a month. d(c(x)) =