What is the slope of the line whose equation is: y = 2/5x - 5?

Which rational number could be graphed between -4 and -5

Do some research and find a city that has experienced population growth. determine its population on january 1st of a certain year. write an exponential function to represent the city’s population, y, based on the number of years that pass, x after a period of exponential growth. describe the variables and numbers that you used in your equation.

Using elimination, what is -4x+2y=-12 4x+8y=-24