Answer:
B. r=C/2pi
Step-by-step explanation:
C=2piR
C/2pi=R
Your answer is simple, it's x = 0
Coin 1 is Q, the very top coin is N and the one below that is Q. For the bottom coin 2 that's N and the very bottom is also N and the one on top of the very bottom is Q. I hope that helped!
<span />
The correct answer is: x ≥1