Answer:
Which grade is this from?
Explanation:
maybe i can figure it out. :D
A= -3, B= 3, C= -2
If "y" is -x minus 3, then y= 3. That's box a.
If "y" is zero, then 3-3= 0. Box b is 3.
-(-1)-3= 1-3= -2 = x. Box c is -2
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