I believe the correct answer is he paid the right amount
The appropriate formula is C = 2*pi*r.
Here, C = 2*pi*(50 units) = 100*pi units (answer)
Answer: -3
Since the both equal the same value we can combine the into -8x-2=-6x+4.
From there you can solve from whatever side you want, and the answer is -3.
Answer:
I added a picture, with the answers. I hope it’s good.
Step-by-step explanation: