Answer:

Step-by-step explanation:
The midpoint of AB coordinates are:
where:

Answer:
[tex]-\sqrt{105}=10.2[/text]
Step-by-step explanation:
We are asked to find the value of [tex]-\sqrt{105}[/text] to the nearest tenth.
Using calculator we find the value if [tex]-\sqrt{105}[/text] which comes out to be 10.24
Hence
[tex]-\sqrt{105}=10.2[/text]
Rounded to nearest tenth decimal .
286.9 is the Answer I did the math