How can I get i-485visa if I have a B1/B2 visa?

You can’t apply yet. Your daughter must be a US Citizen to do an I-130 for you which can make you file I-485.

VAWA is approved, should I request Dallas immg.office to transfer case to vermont office or NY city office, where I was moved?

If they are aware of your address, CIS will move the case to the proper office with jurisdiction.

Can I reopen a felony conviction and have it reduced to an offense that has no immigration consequences?

Depends. If you pled guilty and were not given advisement you may be able to withdraw the guilty plea and vacate the conviction.

Getting back a tourist visa after visa overstay

Depends how long your overstay was. You could have a 3 or 10 year bar.

usics they receive my case i751 in 28sep and i recieve fingerprints27 oct after that i am not receive any notice

751s are inconsistently adjudicated. Some take a long time.

Who should invite my mother: me or my husband? What other documents are required from my husband?

Both of you can provide a letter w/ income / bank document as she applies for a visa abroad.

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It’s due to the final order on 2/8/16. Did he appeal?

Will the J-1 Visa 2 year restriction rule affect the paperwork needed to get a green card?

Yes, she has to get a waiver first before she becomes eligible for adjustment.

IF you’re eligible, you can apply in the U.S., but take note of the exceptions you should meet since you’re filing over a year from your entry.

Can I apply for EAD now? And why I still don't have court day?

Court dates depend on the Court / Judge and how busy they are. Make sure the have your proper address. As to EAD, answer is no.