The work would not be authorized but if you worked you could pay taxes on your income using the social security number

By regulation they have 4 months. After that yoy can file a mandamus action in Federal Court.

You can apply but will likely be denied. The F2A petition shows immigrant intent. You are in a immigrant category that is not backed up too much.

It is possible but alp facts must be reviewed by a competent Immigration Lawyer. Do not proceed without legal representation.

It will likely be around 4 months. Youbgave a stamp goos for a year to show you are a permanebt resident and can travel.

You need to make a list of all trips outside the US in the ladt 5 years and show it to an Immigration lawyer.

If you have a divorce judgement you can marry. If you were married at time of issuance of Certificate it cant be changed to divorced - you just...

You didnt mention the basis for your EAD. This info is needed in order to know if filing would give you a 180 day extension of your expiring ead

Yes. Bring ID and the letter and fill out the 2nd page.

I agree with Attorney Shusterman and add that your mother will need proof of her intention to return home after her authorized stay ends.