Lived in Apartment for 8 years can I be charged for painting and carpet replacement?

Tenants aren't supposed to be responsible for normal wear and tear. http://app.leg.wa.gov/RCW/default.aspx?cite=59.18 Maybe the Tenants Union...

There could still be the question of sanctions for the trouble of having to file the motion.

At a show cause hearing, isn't the judge supposed to ask questions and gather facts?

Lien notice requirements are at RCW 60.04.031 (http://app.leg.wa.gov/RCW/default.aspx?cite=60.04.031). Perhaps you have grounds for a motion for...

Are children entitled to a share of their fathers home after his passing?

See http://app.leg.wa.gov/RCW/default.aspx?cite=11.04.015.

Do I have to sign a lease for nine months instead of for a year like I always have and would like to keep doing

See RCW 59.18 (http://app.leg.wa.gov/RCW/default.aspx?cite=59.18). Leases are negotiable.

What can I do about a car that I recently bought from a dealership that has been doing nothing but causing me financial stress?

Most car sales are "as is". See http://www.atg.wa.gov/cars-0

Is staying in the US with H1-B apporval notice legal if the H1-B stamping on passport has expired

It's probably not permissible. See https://www.uscis.gov/

How do I go about the legal process? I need help.

Hire a lawyer. The statutes are at RCW 59.18. The Civil Rules are online, too. Don't forget the Local Rules.

Are weapons (including firearms) allowed in hotels in Washington?

There probably isn't any specific regulation prohibiting that.

Can a revoked I-140 be reactivated?

See https://www.uscis.gov/i-140. There doesn't appear to be and information specifically addressing your question.