Answer:
56.52
Step-by-step explanation:
c=2
r
C=2*3.14*9
C=56.52
I think it’s A because they only intersect once.
Answer:

Step-by-step explanation:

Or, if you mean (r+3Q)/h=t:

Answer by JKismyhusbandbae: The mean is the average of all the numbers. You add all the numbers and divide by how many numbers you added to get the mean.
Answer:
x=10
Step-by-step explanation:
9×10=90 That is how I got the answer.