not legally
Yes, if she has the permission of her parents or a court order. Otherwise she will have to stay until she is 18.
Yes, if her parents allow it. Permission from the boy's parents or guardians may also be required in some jurisdictions, though.
If her parents are not at her house then she probably wants to make-out, or something more. If her parents are there then she's nervous and most likely not quite ready for a "boyfriend/girlfriend".
They can only do so if the parents give their permission to do so. Otherwise they will have to wait until they turn 18.
Discuss this with your parents.
That would be the age of 18. If they have parental permission they may also mover out.
In most places she will be considered an adult. She can live where she wants to.
Usually not without your parents permission because you are still under 18. Some states you can if your parents have emancipated you.
No. You have to be 18 to do that.
Yes. The age of consent is 18 in California, and parents cannot 'consent' to breaking the law. It is actually considered child abuse or the parents could even be charged for a crime in allowing it to happen.
No.
If she has her parents' permission. Until she reaches the age of majority, she is the responsibility of her parents. She can either seek emancipation or permission to marry.