At appellate court, a filing "up to 10 pages" includes 10 pages ?

See http://www.courts.wa.gov/court_rules/?fa=court_rules.state&group=app

Can I sue someone for my wife for damages?

Washington is a community property State, so damage to property owned by the marital community gives a cause of action to each spouse.

You should retain an attorney. Owners of unreasonably hazardous premises may owe compensation to persons injured thereby.

RCW 9A.64.010 Bigamy. (1) A person is guilty of bigamy if he or she intentionally marries or purports to marry another person when either person...

Can a hospital refuse treatment or surgery because a past bill has been turned over to collection?

I believe County Public Hospitals have to provide treatments in emergencies.

I am in Washington State and my husband is federal custody in Pennsylvania I filed for the divorce on January 10th 2019.

Hire a process service company near the prison. The service should be coordinated through the prison administration. ...

See https://app.leg.wa.gov/RCW/default.aspx?cite=26.19. Your child support payments remain the same unless somebody petitions the court for a...

I am a victim of domestic violence. They took my bf to jail and would not allow me to stay either.?

See https://www.kingcounty.gov/depts/prosecutor/victim-community-support/domestic-violence.aspx.

daughter is hiking the PCT. What forms should we have in place in case she is incapacitated. She will be in WA OR and CA state

Washington State subscribes to the Uniform Power of Attorney Act. https://app.leg.wa.gov/RCW/default.aspx?cite=11.125

Are insurance companies functioning as a POA in the event of a claim or suit?

No. Insurance companies of at-fault parties conduct claims settlements like business negotiations (they're not giving money away). Sometimes...