no Of course not.
With parental consent or by emancipation.
No she cannot legally move out of the house until she is 18 or older, even if she has a child of her own.
Yes they can.
No if parents don't like it. They can emancipate you if they want to.
You used the word child. And legally they are a child and the parents decide where they are to live.
Not without parental consent or becoming legally emancipated. Having a child is not an emancipating event.
No, he has to be 18. You are responsible for him until then.
Yes, in the sense they're not required to actually live in the same house that you do. They are, however, legally required to provide for you, so in order to do this without being charged with child abandonment they'd have to send you to a boarding school or something (and pay for your food and lodging there, of course).
Not without parental consent or becoming legally emancipated. Having a child is not an emancipating event.
It depends on the age of majority in your state. If the child is legally an adult then you have no further responsibility.
It is illegal for a parent to force a minor child to move out. The parents are legally responsible for the child until the age of 18.
This answer depends on the child's maturity level, however I would say I child could be left alone in a locked house at age 12. ----- Legally this varies by jurisdiction.