The first thing you should do for this case is to find the equation of the line that best suits the problem and then plot it. Let x: number of months y: amount paid. The equation of the line is y = 15x + 25 y-intercept = 25 the slope = 15 answer Georgie pays (y axis) $ 15 dollars (the spole) monthly (x-axis) in the gym with a $ 25 registration (y-intercept)