I believe it is 13-years-old.
The only states with specific laws addressing this is Indiana and Texas. Beyond that, they simply have a right to express and opinion.
Depends on the ruling during the divorce.
I think that children of 12 years and more may decide to visit parents in Texas
When they are 18.
Only in Texas. see links
It could be applicable if a parent is incarcerated to get a hardship license in Dallas, Texas. You will need to visit the DMV and speak to them about your situation.
see related question, but if Texas has Jurisdiction, age 12.
How do I divorce an inmate in TexasAnswerdivorce an inmate in Texas
Adultery is one of the grounds for divorce in Texas. Of course you have to prove it.
The term a "Texas divorce" means no-fault divorce. Which means neither party is responsible for the divorce, so no party is responsible for paying alimony.
You cannot decide. You can have the other parent request a change of custody, but you cannot do it yourself. They will usually listen to your opinion in court, especially if you are an older teenager.
30 days after the divorce is final