Answer

Step-by-step explanation:
Radius is always half of the diameter so,
is equal to
.
The Formula for Circumference is 
Since we found out the radius, we need to basically substitute (or insert) it into the radius spot so the next step will be:
Then we multiply (2)(1.25) to get an answer of 2.5 (which we already know)
So our answer is going to be 
Hope this helped and answers your question! Have a great rest of your day/night!
Answer:
all you have to do is select all numbers that are 0 or less
anything above 0 is wrong
Hope it Helps!
Step-by-step explanation:
20 divided by 0 isn’t possible :)
6/5 and 5/5 put together make 11/5