What is the slope of the line through (-9, -6) and (3,-9)

Look at the following graph of the given equation. determine whether the equation is a function. explain why or why not.

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

‼️‼️‼️‼️‼️the pressure exerted on the walls of a container by a gas enclosed within it is directly proportional to the temperature of the gas. if the pressure is 6 pounds per square inch when the temperature is 440 f, find the pressure exerted when the temperature of the gas is 380°f. (show work)