Nicole invested $800 in a fund for 2 years and was paid simple interest. The total interest that she received on the investment was $64. As a percentage, what was the annual interest rate of her investment?

Which of the following best describes the delian problem?

Melanie is buying a bathing suit that costs 39.99. she is given a discount at the cash register of $6.00 when she scratched 15% off on a game piece for a store promotion. what will the sale price of melanie’s bathing suit be?

Which will form a composite function?