Answer:
-85/139
Explanation:
m=(y2-y1)/(x2-x1)
m=(-1-84)/(69-(-70))
m=-85/(69+70)
m=-85/139
To find the slope given two points
m = ( y2-y1)/(x2-x1)
m = ( -1 -84)/( 69- - 70)
= (-1-84)/( 69+70)
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