I had a similar case recently (online status indicated cancellation even though the case was never scheduled prior to that) and client was...

How long is taking the l-130?

A status check would be beneficial. If you qualify to adjust status and meet requirements, you can apply for a work permit as well concurrently.

Permanent resident

The question is not clear. You will need to discuss the case with an attorney. Many facts need to be obtained. Are you now on legal status, why is...

I currently have a change of status case pending before the USCIS, although I’ve completed my biometrics. Can I get a license?

Do you mean an adjustment of status? You don't have biometrics with a change of status. What was your status prior to filing for adjustment of...

Can I still adjust my status?

Assuming you qualify for adjustment of status and meet all other requirements for AOS and considering you entered the USA with inspection, you...

The green card number isthe A# on the card.

How can i file for an extention and how am i sure i wont be harrased by immigration officer pending the determination of my ext?

I would highly recommend you contact an attorney ASAP so your extension is filed timely, considering your status expires soon.

Social Security Number

If you are not planning on obtaining Employment Authorization cards for them, explore the option of ITIN for them.

If you don't plan to return to your employment and will depart and apply for an F1 visa, why would you want to be on leave rather than end...

How to fix tax return form?

The answer will depend on several factors. Did he file for tax returns for 2017? Did he file for 2016 and 2015 tax returns? Was he required to file...