She should indicate her correct marital status even without documentation of this if that is the honest status.

Your case would be best served with review by attorney.

Yes you are eligible for EAD through properly filed VAWA.

No, not without an underlying I485.

No, your green card and passport are sufficient for travel.

For interview preparation services, it is best to consult with an attorney for specific guidance.

I agree with my colleagues, an I130 approval can take many months up to a year in some instances.

The processing time is accurate unfortunately.

Adjustment of status after of VAWA approval can take up to two years. Contact USCIS for further guidance.

USCIS has guidance in terms of how to request expedite processing.