I really need help here i dont get how to do this

Craig just purchased a new sports car. He financed $45,000 and must pay it back over 5 years with 11% interest.

How much will Craig have paid in interest by the time his car is paid off? (just put the numerical value, no $ sign) it is 24750

How much will he have paid in all for his car, including interest after 5 years? (just put the numerical value, no $ sign)

show work plz

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)) =

How can you tell when x and y are not directly proportional?

Measure of angles 31 (x+4) (3x+9) me