Answer:
n * r ^2
Step-by-step explanation:
Answer:
I asked my teacher if we could use that she said it's considered cheating, I still use it
Step-by-step explanation:
Answer:
Step-by-step explanation:
2x²+8=80
2x²=80-8=72
x²=72/2=36
x=±√36
x=±6
so x=6 is one solution other is x=-6