Easy it’s y=learn it your self and pay attention you bum
Answer: 3 (three) .
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4 hours subtract 4 from 6 and add 2 and their you go
Answer: 
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Work Shown:
Explanation:
In the second step, I multiplied both sides by r to move it to the left side. Then I divided both sides by p to isolate r.
In short, the r and p swap places.
The second choice is not a relation.
The first and third choices have multiple (input, output) pairs that have the same input. Such a relation is not a function. Any time you see this, you know the relation is NOT a function.
The best answer is the 4th choice ...
... {(0, -9), (-9, 0), (-3, -3)}
