"you need to have $15,000 in five years to pay off a home equity loan. you can invest in an account that pays 5.75 percent compounded quarterly. how much will you have to invest today to attain your target in five years? (round to the nearest dollar."

The school cafeteria can make pizza for approximately $0.30 a slice. the cost of kitchen use and cafeteria staff runs about $200 per day. the pizza den nearby will deliver whole pizzas for $9.00 each. the cafeteria staff cuts the pizza into eight slices and serves them in the usual cafeteria line. with no cooking duties, the staff can be reduced by half, for a fixed cost of $75 per day. should the school cafeteria make or buy its pizzas?