Answer:
12in is you answer
Step-by-step explanation:
The formula to find circumference is 
so to rearrange to solve for radius that will be 
=
=11.94in
I think y=0 because 6 multiple by 0 is 0 then x= 6 hope this helps might want to check my work to
Answer:
B. 14 hope this helps
Step-by-step explanation:
3 (k-12) = k-30
3k - 36 = k - 30
3k - k = -30 + 36
2k = 6
k = 3