The two processes are different. The F-1 student visa is based solely on you. The H-1B is an employer petition and depends on factors the...

Does this mean i can go to US with the same visa or i have to apply for a new visa??

You will be able to enter again but there was a reason the officer denied your admission. You should review your situation with an attorney to...

What things i can do or can the school email me with some paper ican print out till the original i20 comes

Take the pictures of the I-20 with you to your interview.

You do not need to renew your green card before you apply for citizenship. Take your expired green card with you on your trip. You will be...

Paroled by homeland security even with a valid F1 visa and EAD

You have been paroled which allows you to enter the United States while CBP continues its review to determine your eligibility to enter on the F-1...

(1) Do I need to send copy of her passport? (2) Do I need to change address also along with name?

Follow the instructions that are available on the USCIS website in the forms section or hire an attorney to help.

Yes Australian degrees can satisfy the rule but will need to be evaluated.

What can i do now? apply for a new interview in Brazil? please im desparate

You will have to reapply based on the information about the revocation.

What documents needed for joint sponsorship?

Yes he use the 2014 tax transcript. Provide returns for the last three years. W-2s area good idea.

Would it be better to file for a us fiancé visa and get married in the US as opposed to Australia?

Go ahead with your plan but file the I-130 immediately after getting married then file for a K-3 non-immigrant visa. A lawyer can help.