Answer:
8/7
Step-by-step explanation:
(2,-5) (9,3)
3-(-5)=8 because you apply your keep change change
9-2= 7
so 8/7
The constant is -12. I think of constant as the "lonely little number".... Hope this helped =)
Answer:
23.42
Step-by-step explanation:
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The standard equation of a circle:

(h, k) - center
r - radius
We have:
(2, -8) → h = 2, k = -8
r = 9
Substitute:
