Answer :

Answer:

Answer is (7,9).

Step-by-step explanation:

The midpoint formula for a line is (X1+X2/2 , Y1+Y2/2).

Because every answer has a different X coordinate, you only need to calculate one coordinate. I decided to calculate the x coordinate. So... if you apply the formula...  X1+9/2 = 8. Multiply two on both sides to get X1+9=16.

X1 is 7.

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