Employer revoked I-140

I 140 can be revoked by the USCIS only. An employer may withdraw it. The answer depends on the reason and timing of the withdrawal.

Can I apply for the work authorization permit and the green card at once? What is the procedure to follow please?

I 130 plus G 325A, plus I 485, I 864, I 131 and I 765. Maybe, some other forms depending on your situation.

How to enter the US legally on July 22? On my L1-A? As a tourist? I need to process a TN visa? I explain my pending work status?

I am afraid that you are on a totally wrong tack with your plans. You need to speak with an Immigration attorney.

Can I leave one job before my H1b visa gets approved from the new employer?

You will have a gap in your status likely doe too long. Do not do it. Also, you should consult with your lawyer.

Suppose an F1 student found a business in the USA, What does 'owning a business but not working there' mean?

I would say NO to most of your questions. Only own means own shares or something like this.

I-485 evidence of public assistance

If somebody executed I 864 form to sponsor you in the US, you should not be collecting public benefits.

Can I bring my wife who lives overseas to study in the US, I am a permanent resident, and she already had her student visa?

It is unlikly she will get a student visa, with a US permanent resident spouse.

What is the best option to re-enter the country?

Your option would be to get invited via a fiance visa, or as an immediate relative if you guys get married in Brazil.

It is a question of a State law. In New York it is impossible to expunge the record, at least for now.

I-134 affidavit of support

I 134 does not have a requirement of specific income. However, you may always secure a joint sponsor.