Answer:
Positive
Step-by-step explanation:
-465+465
= 465-465
=0
Zero is positive.
This looks like an incomplete answer to me...
I cannot see any diagram or window or opening, or any lines that indicate they are line AC or BD.
The slope of a line that passes through each pair of points (2,2), (3,1) is (4,2), (0,2)