Answer:
The answer is zero
Step-by-step explanation:
Slope of a line is given by
[tex]m = \frac{y2 - y1}{x2 - x1} [/tex]
where m is the slope
slope of the line passing through the point.(-7,4) and (8,4) is
[tex] \frac{4 - 4}{8 + 7} = \frac{0}{15} = 0[/tex]
Hope this helps you
