Answer:
Step-by-step explanation:
circumference= pi * diameter
diameter= 2 * radius
circumference= pi *2(5)
c= 10pi
Prime number
It can only divide by the number itself and 1.
The answer to the second one is 243/2 but I'm not 100% positive
Answer: y divided by 6
Step-by-step explanation:
/ is a division sign