Find the slope of the line that passes through (76, 91) and (61, 84)
Slope equation: m = (y2 - y1) / (x2 - x1)
(x1, y1) = (76, 91) (x2, y2) = (61, 84)
---> m = (84 -91) / (61 - 76) = -7 / -15 = 7/15