no he needs to be 18 to take any such kind of decisions
no she can not
No.
Not unless you were married (parental approval), or by court order.
The parents can give them consent to move out. Without it they will have to be an adult.
No.
no
In most states you have to be 18 to move out without parental permission.
No he cannot.
In Washington state, the age of consent is 16, so it is not illegal for an 18-year-old to have a sexual relationship with a 16-year-old. However, there may be legal considerations around custody and living arrangements for a teen mother. It is advisable to seek legal guidance to understand the rights and responsibilities involved in this situation.
The only states with specific laws addressing this is Indiana and Texas. Beyond that, they simply have a right to express and opinion.
No, she has not reached the age of majority yet, which is 18 in most places.
yes