Answer:

Step-by-step explanation:
x2 − 9x + 20

No bc the width of the circular ring is only 12.67 inches
knowing circumference = pi * diameter, we can make the formula:
39.8 = (3.14)(diameter)
divide 39.8 by 3.15
diameter = 12.67 inches
12.67 inches is not greater than or equal to 18 inches
Answer:
I believe it is B tell me if I am wrong please
If I am sure the answer is D
Answer:
D
Step-by-step explanation:
I looked it up your welcome