Will I have to go to court for a misdemeanor traffic ticket or can I just pay my fine before my court date?

Yes you have to appear in court - along with a parent. Consider getting an attorney.

A person I hardly know took my car one night. she never returned it and evidently was in a hit-and-run minor fender-bender.

You have nothing to lose by providing the name of person that took your car. You should also inform your insurance company.

These errors will not get ticket dismissed. Your only chance of that is if Officer does not show at the trial.

Will I be sent to jail from a progress report if I did not do my community service?

Not doing community service twice is throwing away a great opportunity. It will be up to judge whether he gives you jail.

Does Las colinas county jail give you time off for good behavior ? And if a judge sentenced you 3 years no split. The whole 3?

Based on your facts it seems that you will serve only 50% of sentence.

Do I have to pay my ticket for driving without a license even after I got my license a couple of weeks later?

The fact you got your license is good- and perhaps will get matter reduced to an infraction. This comes with a fine. You should get an attorney....

You were lucky police were not called and you were not charged with theft. Keep away from Target!

Is it illegal in California to have fellatio in public restrooms

Yes, it's illegal. Lewd act in public place

Does bail exoneration mean that my son no longer has to pay the installments to the bondsman? Will prior payments be returned?

He still has to pay bail bondsman. That's a separate contract .

I was recently a victim in a armed robbery and felt my life was in danger? my safety is at risk and im warned not to testify

You should speak with DA and police about this. What makes you think you are safe now?