Answer:
-7
Step-by-step explanation:
The formula is y2 -y1 divides by x2-x1. So you take (-9)-(-2)=-7 then (-1)-(-2)=1 then -7/1=-7
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Answer:
2
Step-by-step explanation:
the constant does change
Answer:
$4.99
Step-by-step explanation:
20 - 5.03 = 14.97
14.97 ÷ 3 = 4.99
