I need help please I have to finish this

Answer:
Hey,
Let A be (-1,7)
Let B be (5,1)
In order to find the distance we need to do
[tex]d = \sqrt{(x2 - x1) ^{2} + (y2 - y1) ^{2} } [/tex]
Once we plug x2=5 and x1=-1
and y2=1 and y1= 7
You get
[tex]6 \sqrt{2} [/tex]
Now to find the midpoint:
[tex]( \frac{x1 + x2}{2} \frac{y1 + y2}{2} )[/tex]
Using the same values defined above we get:
(2,4)
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