Can I postpone summons respond date?

20 days is 20 days. Upon receipt of proper personal service of process, a person has 20 days to respond. Defense / respondent's attorney's often...

Is 9th Circuit's decision a controlling authority for the WA state cases?

No, but they can be persuasive authority.

My ex boyfriend who is engaged ask me to send naked pics and videos of me masturbating.is it illegal in the state of Washington

See https://app.leg.wa.gov/RCW/default.aspx?cite=9A.86.010

Insurance Company sent me a letter saying the arbitration decision was not in my favor. Is there any way I can get more info?

Talk to your insurance company or lawyer.

When a driver hits a parked car, the driver is at fault for the collision and responsible for the damages. If the driver was acting within the...

See https://app.leg.wa.gov/RCW/default.aspx?cite=9A.52 You should ask the owners for permission.

Got a wrong parking ticket.

You should communicate your concerns directly to the court.

See http://www.lni.wa.gov/workplacerights/ and https://www.esd.wa.gov/

The States cooperate regarding such matters, so you need to pay your tickets or otherwise address them or all your driver's licenses may indeed be...

Is a doctor allowed to ask the reason for requesting my own medical files? and is he required to give them to me regardless?

There isn't any prohibition on people having civilized discussions. You are entitled to obtain copies of your medical records.