What is the distance between the points (2,-3) and (-6,4) on the coordinate plane
2 answers:
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We start with 
for 
. 
Yes. This is true.
28-21=7
thickness = 2x7=14
You can eliminate 81 because we know
The dot is on approximately 9.32 (my estimate) so I would square that number:
(9.32)² = 86.8624 so if you round this you get 87