A 17 year old can't move out from TN and move in with her boyfriend in Arizona without parental permission. If the parents approve, the 17 year can move out.
no
yes
Yes with parental consent.
not legally
no, you have to be 18
Only with parental permission.
No.
No they can not do so as they are still minors. Depending, of course where you live.
No, she is not emancipated.
In the UK there is no problem - she can move out and live where she likes.
yes if its ok with her mom and dad