John decided to start saving for college. he deposited $500 into an account which earns 4% simple annual interest. at the end of each year, he will add $250 to this account. how much will he have in his account after the end of three years?

Bella want to know what the students at her school think of her show. which is the best group to survey to find this information a. go to the mall and ask all of the students she recognizes from school b. ask her viewers to call in durning an episode of the show c. get a list of students at her school from the office and use a random number generator to pick 30 of them d. get a list of students at her school from the office and pick the first 30 students on the list