Janet Swifteagle wants to purchase at least 20 minutes of computer time from a time-sharing computer company. She needs at least 7 minutes of time from
Computer A. The time-sharing company will rent Computer A only if the user agrees
also to rent Computer B for at least 5 minutes. The rent for Computer A is $500 per
minute and the rent for Computer B is $200 per minute. In order to minimize the
total cost, how much computer time should Janet buy on each machine?

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)) =

Graph the equationy= x+3[tex]y = x + 3[/tex]

To finance her community college education, sarah takes out a loan for $2900. after a year sarah decides to pay off the interest, which is 4% of $2900. how much will she pay