yes!
An 18 year old is an adult and it is up to them.
Only after the 18 yr old has graduated.
No, but it is illegal for them to... do things.
Many things can happen if a 15 year old press charges on an 18 year old for bullying. If things go through the court the 18 year old could go to jail for a while.
you might need a parent consent
yes
No, but make sure the 18 year old doesnt go to fast for the 15 year old.
Of course you can.
yes
No. 40 is not evenly divisible by 18.
yea go ahead also go **** him in the butt