Answer:
C. r = d/2
Step-by-step explanation:
The radius is half of the diameter.
The diameter divided by 2 would equal the radius of a circle.
You need to divide 9 to both sides in order for y to come alone. So then you would have to divide 27 by 9 and y = 3. Hope this helps!
Ok so the first one is
1.x=135
2.x=-23
3.x=3
4.x=70
365717262cm2
I think they will be able with the one that
