Aswimming pool had 2.5 million liters of water in it. some water evaporated, and then the pool only had 2 million liters of water in it.

Which expressions are equivalent to -6 + 3m

What is the solution of sqrt x+2-15=-3

An architect is designing a water fountain for a park she uses the given function to model the water jet flowing from the fountain nozzles where h(x) gives the height of the water jugs in feet x feet from the starting point h(x)=-1/20x+x+15