0, because ur doing a-a and 2x-2x which equals nothing
Answer:
C=2πr=2·π·7.5≈<u>47.12389</u>
Answer:
Step 3
Step-by-step explanation:
He added -6 and 8 when he should've multiplied following pemdas
( multiplied the 8 and 7 )
You do 40 times 15 that would be 600