I'm going to 16 in 1 year and 8 months, How would I go about getting emancipated?

Iowa Code Chapter 232C has the requirements for emancipation.

Can a nonresident request temporary support (alimony) without submitting to the jurisdiction of Iowa court over his/her person?

Requesting monetary support while claiming the court doesn't have jurisdiction over you? Yeah, you would be laughed out of the court room on that...

Can my wife turn me in for stealing my truck that she signed the title to and I sold she hasn't been here for five months I have

Can she report it? Yes. Should you sell your house in contemplation of a divorce? No. In fact, you won't be able to properly transfer it...

Generally, yes. Savvy attorneys put declaration language on the stipulated decree, and I've seen most judges accept that.

They asked me on my paperwork if I was convicted of a felony in the last 7 yrs and I said no, but had one 15 yrs ago.

That depends entirely on the employer.

Am I tenant if I pay for rent(to a guy that lives there Already)but I’m not on the lease I just pay him and he pays the landlord

You might be, but it's hard to tell without more facts. I'd suggest you go personally talk to a "lawyer."

Can I sue for discrimination?

Discrimination? Just because they thought you had a counterfeit bill and nothing else? Nope.

How can I void my current custody agreement ?

You can modify the custody agreement.

CAN THEY TAKE ME TO SMALL CLAIMS COURT BECAUSE I DIDNT PAY FOR

YES, THEY CAN SUE YOU TO RECOVER UNDER THE CONTRACT YOU FAILED TO PAY ON.

Will I be forced to testify against my brother in a non-jury trial if I was served a subpoena by the sheriff's office?

Yes, that's the point of a subpoena - it's a legal compulsion to testify.