Both documents should be submitted. Any document that is in her native language, must be translated into English.

You may petition for your unmarried daughter who is over 21 years old; it won't delay your younger daughter's case.

It is recommended that you consult with any experienced immigration attorneys on Avvo with respect to legal fees and your immigration history.

It depends on the judge and their schedule. Cases have been pushed far out that you may have to wait a long time for adjustment. If you are able...

Yes, as the petitioner for your parents’ adjustment of status process, you will need to complete an I-864 petition even if you have a co-sponsor.

You may request an expedite of the petition with USCIS, it is discretionary and they generally review these types of requests on a case-by-case...

The petitions do not need to be notarized, they just need the appropriate signatures.

As a US citizen married to someone living abroad, you will need evidence to prove that you are in a bona fide marriage. See:...

Yes, you may petition for your parents who are abroad as a US citizen.

As a US citizen, you may petition for your sibling by filing an I-130 application. The wait time for this process is approximately 15-18...