Answer:
5
Step-by-step explanation:
The radius is a distance on a circle from the center to a point on the circle.
We have both of these points describe here in this definition. Using the distance formula will give us the radius.

The difference between 1 and -3 is 1-(-3)=4.
The difference between 5 and 2 is 5-2=3.




Answer:Y=25:3
Step-by-step explanation:
If you're meaning about subtracting:
12-8=4
If you want in fraction: 8/12
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Answer: no solution
Step-by-step explanation:
Attached