Yes, but only if you were married during the intitial purchase of the vehicle. Check and make sure that your state is a "community state." Meaning that anything purchased during marriage is community property, regardless of who financed it and what spouses name it is in. If you were married to this person, your interest in the behicle is 50%.
No, it is not legal to use someone else's license plates.
No, it is not legal to cash a check with someone else's name on it without their permission.
No, it is not legal to use someone else's credit card without their permission.
No, it is not legal to open someone else's mail that was sent to your address.
If you were not married when the child arrived the legal custody lies with the mother. The father have to prove paternity in court before he can get his parental rights.
No, it is not legal to cash someone else's check without their permission.
No, it is illegal to throw away someone else's mail.
If your mother has parental or custodial rights and responsibilities for you, it is legal to live with anyone your mother says. If someone else is your custodian, then that is the person who has to say where you can live.
Someone who steals something owned by someone else
No, it is not legal to use someone else's credit card without their permission. This is considered fraud and is punishable by law.
It is legal to store someone else's gun as long as you follow all applicable laws and regulations regarding firearm storage and ownership.
No, it is not safe or legal to let someone else use your credit card.