Not without parental permission or emancipation from the court.
What they have bought themselves or given as a gift and of course whatever the parents allow them to.
They are an adult at 18. They can move wherever the wish.
if she gets emancipatied.
Yes. An 18 year old is an adult and can live/move where he/she wishes.
Speak to a lawyer.
if they are 18 why r the still at home anyway?
No you can not.
They can be picked up as a runaway. They can be returned home or sent to a foster home.
Never. Mount St. Helens is a volcano in the US state of Washington. Volcanoes do not move.
No they cannot. The age of majority in Washington is 18. Until then you are the responsibility of your parents. They determine where you live and much of what you can do.
Washington state was added to the Union on November 11, 1889. It was the 42nd state to be added. Several states were added that year and the year after.
They must emancipate you, otherwise you cannot.