Awater tank holds 18,000 gallons how long will it take for the water level to reach 6,000 gallons if the water is used at an average rate of 450 gallons per day?

If an x intercept only touches the x axis it means it has a multiplicity of 2. if an intercept goes through the axis it has a multiplicity of 1 true false

What is the equation of the graph below? y=sec(x)-4

Monthly water bills for a city have a mean of $108.43 and a standard deviation of $32.09. find the probability that a randomly selected bill will have an amount greater than $155, which the city believes might indicate that someone is wasting water. would a bill that size be considered unusual?