Should I put my current husband's information on my I-485 since the case is based on an I-360 from my previous husband?

Yes.

My duration of stay was less than 90 days during 2012. Am I supposed to pay tax ?

If you earned income in the U.S. you may have to pay income tax, contact an accountant.

What action must i take about never getting documented from US citizen parents and was sent registry card ?

Not enough information. Perhaps he is a derivative citizen based on the dates the parents lived in the U.S. How and when he entered the US...

Getting HOB visa ? do we both need job offers first ?

You need an employer to petition you, there is no self petition.

Yes, he can do it. You may have a contractual right to reduce the support based on his duty to mitigate, depending on the laws of your state and...

Can my still help my parents..

A controlled substance offense generally carries a lifetime bar to admission. However if the charge was simple possession of under 30 grams, they...

My husband LPR had applied petition i-130 for me, i want to cancel it , is it possible ? Or just only he is able to do that

Since you did not file the petition you cannot cancel it. You could indicate to National Visa Center that you do not want the visa, once it has...

What visa can I apply for? How long is the procedure? What can I do to make sure I sustain a status in America?

You would need an employer to file a visa petition for you to come to work for them as a dancer or dance instructor.

What is the status if L2 to H1b change of status is approved but wants to work on L2 ead and not on H1b ?

Evidently there is a difference of opinion. In my opinion, it would be a violation of status, and failure to maintain lawful status to work for...

Yes, as long as you have an approved PERM application and an appropriate job offer and I-140 petitioner.