yes
Yes, provided it is legally permissible for you to buy and/or possess it. .
Yes. Only New Jersey restricts civilian ownership of hollow-point ammunition for self-defense.
No, polygamy is illegal in Washington state.
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.
That will depend on the law where you live- and you did not tell us that. You also did not say whether the bullet in question was for hunting, self defense, or target shooting. The State of New Jersey has limits on carrying hollowpoint pistol ammunition, and some states may restrict armor piercing ammunition. Several states require hunting ammunition to be an expanding type of bullet to provide for quick, humane kills of animals. US Federal law places restrictions on making or importing certain pistol ammunition that is armor piercing.
yes