The slope means that they raise $2 pet every box sold. You can find this by how many it increases (2) and how many it moves to the right (1) so $2 per 1 box
The answer is 5:) you first have to cross multiply then divide both sides from x
You could answer this question easily by applying synthetic division:
_______________
-5 / 4 14 -9
-20 30
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4 -6 21
