It is time to clean the water tank. The process requires draining a 75-gallon tank. To siphon the water out of the tank, he uses a hose that drains 6.5-gallons out of the tank in 15 minutes. How long will it take the tank to be drained of water? a. Make a table comparing the elapsed time with the amount of water left in the tank over time. NOTE: The x-axis is usually used to represent time. b. Write an equation describing the relationship between the elapsed time and the amount of water remaining in the tank. C. Draw a graph. Discuss the meaning of the x-intercept and the y-intercept in this situation. d. Why might the information from the table in part (a) and the graph in part (b) be important to know?

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