Registration of your LA marriage can be used for H4 visa. Registration in Philippines is not required.

Check with the university about requirements to enroll and related matters.

You may it depends. Check with your DSO about details.

All of the above so be careful. Speak to an immigration lawyer ASAP for your options.

Yes, a medical exam is required. for a green card. You must take a valid and current one to your interview.

Home address and address are used interchangeably. I would use your Mexican adddress. That is where USCIS would contact you by mail with questions...

Even though not required USCIS officers like to see the G325A. It provides and or clarifies infromation provided elsewhere in AOS packet.

Academic transcripts, tuition receipt, and letter from your DSO, are just a few of many examples.

You may file I-539 to extend my tourist visa. It is also possible to file for AOS. Consult with a lawyer for further detailed guidance.

Your income for a houshold of 3 would be sufficient for the affidavit od support requirements.