Michelle got her uncle to sponsor her for the walk to raise money for cancer research. he said he would use the equation a = 8 + 2d, where a is the amount he will pay if michelle walks d miles. ⦁ identify the slope and y-intercept. slope: y-intercept: ⦁ explain the meaning of the slope and the y-intercept in this equation in terms of distance walked and the amount michelle’s uncle will pay. c. sketch a graph that indicates how much her uncle will pay as a function of the distance that she walks.