Can i have two case with the uscis ?

You do have two (2) cases: one is the I-751 petition to remove condition off your "green card," and the other is the N-400 naturalization...

How soon can I apply for K1?

On the day you get your Naturalization Certificate. Seek a consultation with an immigration attorney.

Can a student petition a fiance?

A US citizen may file the I-129F petition for a foreign fiance, regardless of employment.

Can i apply for a waiver under section 212 a 5a?

Thus is an unusual denial. It would help to know the citizenship of your fiance, age, education, and history of travel to the US.

What can I do ?

If marriage was valid at inception, it is valid for immigration purposes even if the marriage is no longer viable. Matter of Boromand, 17 I&N Dec....

What is my current status for i485?

You do not have a status, you are illegal by virtue of overstaying your permissible stay on the visa.

There is a HUGE benefit to have the I-130 approved, before the I-485 is filed. First, if the USCIS denied the I-485, but the I-130 is approved, an...

USCIS or EOIR?

The USCIS has jurisdiction. They better hurry up and file with the USCIS BEFORE the ICE files their NTAs with an Immigration Court.

Can i apply i 589 ? because of my i send first time and now more then 80 days.and still do not receive any confirm notice ??

Yes, you may submit another I-589. Make sure it is the same as the lost one.

Why does USCIS sent a notice explaining there decision intended to take after my interview what does that mean?

It appears that the USCIS does not see you and/or your husband's eligibility. Lawyer up!