What would be the answer of the following question?

I would urge you to retain an experienced immigration attorney to assist because an incomplete explanation could jeopardize your K-1 Visa process.

I am an Australian and my employer who is also Australian is willing to sponsor me for an E3 Visa. Will my visa be approved?

I agree with my colleagues you will need to be hired as an employee of a U.S. based employer to qualify for E-3.

You may or may not receive an RFE for October Paystubs depending on the officer who will review your case.

What are the chances of F1 STEM OPT visa extension when husband has a approved 140 and waiting to file I485?

If you are in the US you will need a new I-20 for "extension" of your F-1 status. However, if you travel outside of US and you have an expired F-1...

Does the new hiring company need to cover any cost for AC 21 after 180 days of i485 pending?

No filing fees are required to submit the AC21 letter.

Am I Eligible for H1B Masters Quota?

You could qualify for H-1B Master CAP if you completed the master's program in an accredited U.S. university.

When a non US citizen apply for a green card after marriage is the length of time of the relationship a big factor?

The length of the relationship is not necessary an issue as long as you have evidence that your marriage was entered in good faith and not for the...

What next should I do when my petition for nonimmigrant Extension/Change of Status is approved and I have received the approval

Some facts are missing in such as what status did you change to? You may schedule a consultation with an attorney to properly guide you.

Can I file under EB-1 classification if I finished my EDS degree but not PHD ?

You must be able to establish that you have extraordinary ability in your field. You could do so without a PHD. The EB-1 extraordinary ability...

I am a greencard holder. I went out of USA for 8 months( from january 1 to august 30, 2015 )on valid Re Entry.

The Re-entry permit helps you with regards to continuous residence but you still have to show physical presence which is you have to have been...