Can l expedite my i 730 ?

Expedite is not a real option. You don't state the reason requested for expedite, so can't give you any further help. I-730s are taking in excess...

Is it possible for an immigrant child to cut her adoptive parents off?

Not enough information here. On what basis did you obtain a SSN and a work permit?

You may only submit one N-600. Verify child is eligible; see it often where child is ineligible and money/time is lost. Good luck.

Citizenship

Only arrests/convictions the applicant (your wife) has been involved with would affect Naturalization. She will be fine, if otherwise eligible.

I-130 was denied

Unfortunately, under these circumstances, it is likely more cost effective and quicker to refile the I-130, unless the priority date needs to be...

This is often referred to as a “poison pen letter.” How did your ex know you had an immigration process pending with your current husband? If you...

The first step is to petition for her. She will consular process in Ciudad Juarez. You should begin this process now; expedite likely not to happen...

The medical exam was not needed. It is used when you are adjusting your status (I-485). Since you are in removal proceedings (unless, and/or until...

Completely ignore this. CBP has absolutely no authority to decide who can extend or adjust their status. Your husband (since you stated you...

Can i change my B1/B2 visa to students visa after enter the USA?

You can do a change of status (COS) with an I-20 that may need to have the starting date deferred. You will also have to file a concurrent...