Which set of ordered pairs does not represent a function? {(3,4),(-9,5),(-3,8), (-2,8)}
{(5,5), (5,-9),(-1, -8),(-4,-7)}
{(-5, -8), (0, -4), (-8,-8), (6,6)}
{(-1,7), (1,8), (0, -3).(-4,-3)}

Acredit union pays 5% annual interest, compounded daily, on savings deposits. find the value after one year of $500 deposited in this account. $525.64 $25.64 $20.40 $520.40

Mrs. blake's bill at a restaurant is $42.75. she wants to leave the waiter an 18% tip. how much will she pay in all, including the tip?

During the election for class president, 40% of the students voted for kellen, and 60% of the students voted for robbie. 500 students voted in total. how many more students voted for robbie than for kellen? answer with work : )