A large water tank holds 600 gallons of water. It is losing water at the rate that is shown in the table. What is the slope for the function shown in the table, and what does it represent?

Marshall went to the state fair and bought 3 tickets. each ticket to the fair cost x dollars. after he bought the tickets, he had $3.25 left in change. write an expression that represents the amount of money, in dollars, that marshall had before he bought the tickets. n