Y=f(x)=1^(x) find f(x) when x=-2

Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 22 million liters of water in it. what percent of the water evaporated?

What are the coordinates of the point that is 1/3 of the way from a to b? a (2,-3) b (2,6)

Carlos spent 1 1/4 hours doing his math homework he spent 1/4 of his time practicing his multiplication facts how many hours to carlos been practicing his multiplication facts