Is this what you’re talking about
The formula for circumference is

.
To express the circumference exactly, plug the diameter in for

and put the

symbol in front of it. Don't multiply. This expresses the exact circumference.
Say you have the diameter of 17.
You can express the circumference with 17

.
The mean is 21. The median is 15. The mode is 15. The range is 16.
5x+10y=4750
x+y=600
x=250
y=350
250 theater tickets
350 orchestra tickets
Hello there.
<span>3×9+10×
Answer: 36</span>