In the arithmetic sequence {13, 6,-1,-8,...}, what is the common difference? Enter your answer as a number, like this: 42

15 points only answer if 100% sure when graphed, the x-intercept of a linear function is (-4,0), and the y-intercept is (0,12). which of the following equations represents the function? a. y + 12 = 5(x − 4) b. y − 4 = 4(x + 2) c. y − 6 = 3(x + 2) d. y + 6 = 2(x + 7)