No i do not need anybody's approval. It is my career and my future. I am responsible for myself.
Not without the approval of the courts. See related links below.
In most states you have to be 18 to choose so your parents can decide this without your approval.
They decide for themselves at 18. Before that it is up to the parents.
When they are 18. Before that it's the parents or the court that decides.
You have to decide this question. Only you know what to ask.
Same as before. Pregnancy don't change that. Your parents still decide over you and you decide over your baby.
See related link
She is still a minor and you decide over her just like before but you do NOT decide over her child. Only she is allowed to decide over her child before and after birth. Being pregnant is not emancipating her.
No, that is up to the parents to decide.
You should ask them about the habits and noise levels before taking on the babysitter job
see related question, but if Texas has Jurisdiction, age 12.
As long as you are a minor your parents will decide where you live. So if you when you are of legal age want to move to the other parent and they are willing, then you can move. In Idaho it's at 18yo.