Answer:
radius=2
Step-by-step explanation:
if the circumference=4pi and the formula is 2pir then r must be 2 and would look like this:
C = 2pir
C = 2pi2
C = 2*2pi
C = 4pi
Answer:
yellow one
Step-by-step explanation:
37.95/5=7.59$ for each person that will pay for the ballon party
