Pretty easy you have 20% cash back, before you wast 79 dolars now you know that 20% is equivalent to 2/10 and so now you have to only pay 8/10 of it how much do you have to pay now

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)) =

Write two point-slope equations for the line passing through the points (6, 5) and (3, 1)

Which strategy is used by public health to reduce the incidence of food poisoning?