Yeah but it's best not to.
No, the ratings exist for a reason.
The plural form of thirteen year-old is thirteen year-olds.
Probably not.
Nowhere. Thirteen year olds are not legally allowed to work. You have to be at LEAST fifteen, I believe, and then you have to get a work permit signed by your school and parents.
Swearing is generally not appropriate for children, including 9 year olds. It is important for parents or guardians to discuss and set boundaries around language use with children to promote respectful communication.
thirteen, but it doesn't mean you are ready to do things 16 year olds do
Yes but don't over do it
Yes, but only if they are a good writer
no
anybody can be a model (i have seen show where like 4 year olds are models)
Not really, I was watching The Simpsons when I was 10. There are a few swear words but otherwise, it is pretty suitable for 10 year-olds.
Yes if you are good enough