Victim of immigrations fraud..

Forward your information to ICE and they will do with it as they see fit. You are welcome to divorce your spouse if you want.

Can I stay after H1 visa expires with a i94 upto 2016

If he changed status to H1, and the H1 expires December 31, 2013, he can stay until December 31, 2013.

Yes.

Been married for 15 months to a citizen. what kind of greencard will I get: conditional or unconditional

Conditional.

Who is the considered for determining household size for sponsorship?

The number of people on your tax return, plus the alien you are sponsoring, plus all other aliens whom you have sponsored and who are not yet US...

How can i apply for residency in the u.s if im 18 graduated high school been living here for 12 years no criminal history

Based on those facts alone, you can't.

Do I have a chance of getting a tourist accepted after signing a I-275?

Yes, you have a chance. Your chance is low.

Dear Sir ,I have a brother in USA . which is a quick root if he applies for me or he applies for parents and they apply for me

Your brother can file for you, your parents can file for you if they immigrate, and you could instead file for a student visa if you want to study...

Can I change my job in the following scenario

An H1b can port to a new employer, who files an H1b.

Is there any chance for an illegal woman who is married to an american citizento get a green card?

Yes, but she must return to her country for 10 years first, if she was previously deported and reentered. Check whether it was in fact a...