Can I eliminate my two last name if I am just a permanent resident?

You can eliminate the use of your two last names and just use one last name if you want.

Form i-864

Try calling corporate headquarters and get them to confirm her employment. If that doesn't work seek the help of a good immigration lawyer.

My mother, who is a permanent resident will petition my sister who just turned 20 and will be turning 21 next November (2014).

It is possible to get her residency by November 2014. But is your sister here in the U.S or out of the country? In order to better and accurately...

I file for divorce in 2011 April. My 2 years gone be April 2014 what should I have to do. I did serve my husband but he didn't

Call me to discuss. My there is no charge for my consultation. 717-854-6400

Do i need to provide 5 years tax return Transcript with the naturalization form? Stayed outside US more then 6 months.

No. You don't need to provide 5 years of tax return transcripts.

Can I apply for US passport together with my 14 year old son after I take the oath to become a US Citizen?

From your fact written in your question the answer is yes. You should confirm with an immigration attorney.

Hello! My friend just bought a hotel an i wanted to know if i show that i invested too may i be able to get green card?

It is highly unlikely that will get a green card in 6 months. These fact are very limited and a great deal more information is needed to give you...

You have been given an extension on your visa.

Vawa petition

VAWA petition can be tricky so don't try it on your own. Seek the help of an immigration attorney.

F-1 issue for Date of Last Entry in I-94 vs. MOST RECENT date of last entry

Your most recent entry is the September entry.