Pretty sure it’d be (3, 14)
Answer:
Step-by-step explanation:
This question is too difficult
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ABCD is a square . if the coordinates of three of its vertices are A(-1,2a), B(a,2a), C(a,0), find the coordinates of D. BC is obviously 2a (it's a vertical line) then AB must be 2a (notice AB is horizontal) so BC = AC because it is a square 2a = a+1 a=1
He sells it at $80 which gives him a profit of $5!
