Which of the following sets of numbers could not represent the three sides of a right triangle?
16,30 34
24, 45, 52
54, 72, 90
9, 12, 15

Match each function with its rate of growth or decay

Julie goes to the sports store and spends $40.50 before tax. she buys a pair of shorts for $21.75 and 3 pairs of socks that each cost the same amount. how much does each pair of socks cost? $$

Let f(x) = 5/x and g(x)=2x2+5x. what two numbers are not in the domain of f o g