What are these fractions in order from greatest to least?:

6/9,5/6,5/7,4/5

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

Math each whole number with a rational, exponential expression

Adam used 1072.4 gallons of water over the course of 7 days. how much water did adam use, on average, each day?