Which values of a and b make the following equation true? (5x?y?) (-4x*y") --20xyas

O a = 11, b = 7
O a = 11, b = 10
a = 28, b = 7
a = 28, b = 10

The vet charges $45 for an office visit and $10 for each vaccination your dog needs. write an eaquation

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)) =

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?