I'm happy to address some issues and concerns here.
Firstly, it's hard to compare a simple malfunction to purposeful deceit such as quick-switching...
Why would you accept the trade anyway if you weren't going to receive the full amount? Glitches happen. If the site had any credits system then yes I...
Where'd you get -5/12 from?
It's (7 - - 4)/(-2-6) aka 11/-8
Actually I think you used the set of numbers I had before I edited and changed them :V
A line has a point, A, with co-ordinates (6, -4) and a point, B, with co-ordinates (-2, 7).
i) What is the midpoint of points A and B?
Separate names with a comma.