What form do I need to fill out for my child

I recommend you hire an attorney on this matter.

Can you change your career to different field after a year of getting employment based green?

You can work for any employer after you get your green card.

How can I obtain a copy of a settlement agreement accepted by the Bankruptcy Courts in an adversary case?

You can get the bankruptcy record from www.pacer.gov.

E-2 investment visa for iranians: is it true that they only give visa for 3 months and not 60?

I recommend you speak to an immigration attorney on this matter

I agree with Ms. Sanders, the perm can be filed 31 days after the end of the last form of recruitment

What do we need to fix my boyfriend papers?

How did your boyfriend enter the U.S? I recommend you seek the advise of an experienced immigration attorney to help you with this process.

If a nonimmigrant is able to obtain a replacement form I-94, what should they enter in fields 10 & 11 on appl. form I-102?

Check the visa type/class you entered with on your U.S visa and the I94 would be on CBP website if you entered on or after April 2013.

Me and my wife filed joint petition I-751 to remove conditional green card (expired Jan 2014). I know there might be possibility

I recommend you speak to an experienced immigration attorney to assist you with refilling the I-751 form by waiver.

Both qualify as Employment-Based 2nd category, "EB-2". There is no difference

After 30 days of serving the Complaints, the spouse didn't answer. What should I do next? can I go to default?

I recommend you speak to an attorney on this matter. But if your spouse was served by a process server, then you can move for default if she failed...