I have 3 math questions please help 30 points c:

1 answer:

5 0

1)
2x+y=-2
(2,y) then: x=2
Therefore:
2(2)+y=-2
4+y=-2
y=-2-4
y=-6

answer: A. -6

2)
answer: C. there is not relationship between the variables

3)
Answer: C.t

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