It’s b I had it in my test
The answer is d I just did that paper mark me Brainly
Answer:
3 n minus 4 represents the expression "four less than three times a number"
452.16 = 3.1416 r^2
r^2 = 452.16 / 3.1416
r^2 = 143.93
r = 11.997
C = 2 (3.1416) (12) =75.38 m
