A = π r^2
A = 9^2 <span>π
</span>A = 81<span>π
if using </span>π = 3.14 then
A = 3.14 x 81 = 254.47 ft^2
answer: 81π ft^2 or 254.47 ft^2
hope that helps
Answer:
72
Step-by-step explanation:
because if you add 18, 4 times or 18 x 4 it will give your 72
hope this helps
Answer:
45
Step-by-step explanation:
1 gallon = 4 quarts.
15 quarts/ 4 = 3.75 gallons
1 hour = 60 minutes
3.75 gallons / 60 minutes = 0.625 gallons per minute.
You would put 151 dollars in your account at October.
16+15+15+15+15+15+15+15+15+15=151