Yes.
If you are an adult.
no
no
It is legal to water ski in Washington state from one hour before sunrise to one hour after sundown.
I donno
yes
The minimum legal age to be employed in the state of Washington is 14. At 14 years old you can expect to be a clerk at a restaurant or supermarket.
The legal BAC limit in Washington State for operating a motor vehicle is .08.
Yes.
yes
I think you have to have a permit