Answer:
B. r=C/2pi
Step-by-step explanation:
C=2piR
C/2pi=R
Answer:
He subtracted incorrectly
Step-by-step explanation:
You multiply 42.75 x 4 and get 171. Then you add 171+52.45=223.45 and then you subtract 223.45-18=205.45 and then you multiply 223.45 x .3333 = 68.3265 or 68.33 (rounded)
The answer would be -4 because when you add a positive and a negative it’s like subtracting.
I am not so sure of this but I feel it would serve as hint
