Yes, provided it is legally permissible for you to buy and/or possess it. .
yes
No, polygamy is illegal in Washington state.
Yes. Only New Jersey restricts civilian ownership of hollow-point ammunition for self-defense.
Yes.
If you are an adult.
Yes.
no
no
In Washington state, it is legal to record a conversation if at least one party involved in the conversation consents to the recording.
It is legal to water ski in Washington state from one hour before sunrise to one hour after sundown.
I donno
yes