Answer:
103.6726
Step-by-step explanation:
C=2πr
radius is half of diameter, so its 16.5
2* 3.14*16.5
C=103.62
103.6726 to be exact.
Answer:
The average speed is 
Step-by-step explanation:
we know that
To find out the average speed divide the distance by the time
Let
s -----> average speed
d -----> the distance in feet
t ----> the time in minutes

we have


substitute
Simplify

-8 is not a solution to 512 because when you multiply 2 negative numbers together it becomes positive, but you're multiplying it three times. so - 8 * -8 = 64 but if you multiply -8 again the solution will be a -512 not a positive 512