Answer:
mid point formula is :
and B (-1,-5) is the mid point of AC.
Assuming that x2 and y2 are coordinates of C, so x2 = 4 and y2 = -1
and again,
coordinates of A (-6,-9)
Answer: x ≤ 6
Solution: -10, -4, 0, 3, 6
Not a solution: 10
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