Y = MX + B —> W = MN + B 1st Find Slope ———————- M = (7.00 - 4.20)/(5 - 3) = 2.80/2 = 1.4 ———————- 2nd Plug-In one Point used to find Slope ———————- W = MN + B 7.0 = 1.4(5) + B 7.0 = 7 + B 0 = B So.. W = 1.4N <— Answer #1 ——————— 3rd Plug-In N = 4 W = 1.4N W = 1.4(4) W = 5.6 <— Answer #2