My sons father is on child support,if he moves back in,will my sons and i lose our Medicaid and good stamps forever?

As my colleagues have noted this is not an immigration question.

Significant other's F-1 status terminated, planning to get married and apply for his green card

First you must marry. After marriage you may petition for your spouse and it is likely your spouse will be permitted to adjust status in the US....

H1B extension with RFE and new amendment?

You should discuss with the immigration attorney preparing the response for your employer.

If thsi is a situation where you may be considered other than an employee of A yes it may cause an issue.

Friend is sufficient. If the consular officer has reason to believe among other things that the person is coming to the US for a purpose other...

Can my maternal great uncle sponsor me ? Or can my mother's maternal uncle sponsor my mother for a green card ?

The relationship is not one that supports a visa petition.

The decision to admit the children to the interview rests with the USCIS. If the children do not disturb the interview there is possibility they...

HHow long it takes to get a reentry permit to u.s? I'm l.p.r? I be ouside of u.s?

You need to be in the US to apply. The permit usually takes 6 to 8 months after filing.

If my spouse is currently in the U.S., what forms do I need to file in order to petition her?

The answer depends on your spouse's eligibility to adjust and if you are a US citizen.

You may apply for extension in the US of your status. The extension of the visa needs to be applied for outside the US.