Answer:
(1/2, -1)
Step-by-step explanation:
The midpoint is the average of the end points:
M = (R + S)/2 = ((4, -7) + (-3, 5))/2 = ((4-3)/2, (-7+5)/2) = (1/2, -2/2)
M = (1/2, -1)
x=4
1. D
2. D
3. H
4. B
5. B