Is it a crime for an employer to threaten me to remove my name from a civil service exams eligibility list or be demoted?

I don't know that it would amount to a criminal act, but it is certainly unreasonable and may be something you can pursue a civil action regarding....

Can your previous employer withhold your check ?

Your employer cannot withhold wages that were earned. If they continue to do so, you can contact the Department of Labor or have an attorney send...

Can I modify the dates that are set for lawsuit check ?

Whether you can will depend on the settlement paperwork.

Can i get a copy of disposition from the court for a job?

Yes, you should be able to get a copy.

Should I tell the person interviewing me about my convictions 7 years ago ?

I do not believe the law requires you to do so.

If that employee is singled out due to a discriminatory motive or reason, that may be actionable.

What happens when I don't receive my renewed green card and the extended period is over on the old one?

You may be more likely to get a helpful response if you repost this question under the immigration law practice area.

Can I terminate an employee and not pay unused vacation pay after accepting their resignation?

As the prior posters indicate, this will depend on your company policy with respect to employees entitlement to vacation.

What is the minimum hours I can work a day

There is no inherent minimum hours you can work in a day. Ultimately, if you worked three hours, you are entitled to pay for those three hours,...

Can I be fired off the clock?

Yes. You can be fired while off the clock.