Answer:
(1, 2.5)
Explanation:
To find the midpoint of a line, we take the two endpoint coordinates, add them together, and divide by 2
midpoint = (x1+x2)/2, (y1+y2)/2
= (-9+11)/2 ,(-7+2)/2
= 2/2, 5/2
= 1, 2.5
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