I-130 Section D

Yes that answer regarding the dates will suffice.

My I-765 was approved on October 29, but does it indicate that I can make employer changes?

Yes you are allowed to change jobs. Note your affidavit of support may be affected by this change so you will need to inform immigration.

I WAS MARRIED APRIL 17TH 2015 IN MAY MY SSI WAS CUT DUE TO BEING MARRIED MY SOON TO BE EX WAS MAKING 1400 FROM HIS SS.

Your question appears under immigration. I have resent it to the proper forum.

Yes the felony information will appear

We need an affordable immigration attorney. Can anyone help?

Unfortunately the only way to find the right fit for you is to get on the phone and call around.

May a dependent of a U-Visa recipient marry a U.S Citizen before applying for her residence without repercussions?

You cannot skip your green card just because you are marrying a citizen. You will be required to show evidence of a good faith marriage.

No they cannot enter on an expired visa.

Is it ok to fly out from the U.S. - and fly back to the U.S. - through an airport which is not in the state of residence?

There are no problems with your pending plans.

While not an immigration question, note you cannot file on her behalf.

What do I have to do to regain my green card?

You do not say why he took your card. You can refile but you would want to discuss all your facts and history with an immigration attorney to avoid...