answer: 4.75
Step-by-step explanation:
To find the slope, you divide the difference of the y-coordinates of 2 points on a line by the difference of the x-coordinates of those same 2 points. Which means, y1 - y2 / x1 - x2 = 29 - (-9) / 15 - 7
= 29 + 9 / 8
= 38/8
=4.75