Answer:
Step-by-step explanation:
i dont know
Answer:
625 pi (no approximation)or 1962.5(approximation)
Step-by-step explanation:
You do pi times radius squared.
Answer: A
Step-by-step explanation: We need those in order to survive
Answer:
2a
Step-by-step explanation:
-6 and +6 cancel out leaving the 2a by itself.
The first answer is C.
The second answer is A.