If you meet the requirements for an asylum claim, you can apply but not simply to obtain a work permit.

Today my I765 was approved based on pending I485 but after few hours my I131 got denied.

You should refer to the denial letter for an indication for the basis of the denial.

The financial support requirements only apply once the I485 is approved. If it is not, then there is no obligation that the sponsor will have.

Can i put my income in i-864a ?

If you are the intending beneficiary and you are legally employed and paying taxes, you do not need to submit I864A but can include your income in...

Will I be reported to Immigration if I submit to Livescan for a job?

You should consult with that agency to determine their practices of reporting people unauthorized to work legally in the US.

What happens if I marry my fiancee in Mexico? Will he be able to come back to US with me?

Are you a USC? If so you can petition for a fiancé visa, assuming there are no other grounds of inadmissibility. Consult with an attorney for...

Immigration to the usa ?

Your friend can attempt to enter on a visitor visa or you could apply for a fiancé visa if you become engaged to your partner. Consult with an...

What are the requirements to apply for citizenship?

You must reside with and be married to your USC spouse for 2 years and 9 months from the date of obtaining your permanent residency, and fulfill...

How long it takes a change of status from B2 tourist visa to an E2 depend ?

Generally 4-6 months and while you can write a request for expedited processing, the times do not vary much from that.

How and where can I get a job if I am an illegal immigrant that recently graduated high school and came to the U.S. as a child ?

Unfortunately you cannot do so given your fact pattern. If under 18, you should consider leaving the US before accumulating unlawful presence.