the height h, in centimeters of water going down in a hot tub is given by the equation h(t)= -15t+120 where t is the time in minutes since the plug was pulled. what is the domain and range

How much money does ron have left each month after his fixed expenses? ron graduated from college five years ago. he recently bought a house, but shares it with a housemate who pays him $800 a month for rent and utilities. ron is putting a budget worksheet together so he will have a better idea of where his money is going and where he can save. enlarge