PLEASE HELP ASAP

Which set of ordered pairs does NOT represent y as a function of x? {(1, 1), (2, 1), (3, 1)} {(1, 1), (2, 2), (2, 3)} {(1, 2), (1, 3), (1, 1)} {(1, 2), (2, 3), (3, 3)}

1) you deposit $2,500 in an account that earns 4% simple interest. how much do you earn in eight years?

Agroup of three friends order a combo meal which includes two slices of pizza and a drink each drink is priced at $2.50 the combined total of $31.50 how much is the cost of a slice of pizza

Jack is considering a list of features and fees for current bank: jack plans on using network atms about 4 times per month. what would be jack’s total estimated annual fees for a checking account with direct paycheck deposit, one overdraft per year, and no 2nd copies of statements? a. $44 b. $104 c. $144 d. $176