You have several legal options. First step to providing good legal advice or counsel is to read the written agreement carefully.

Can I own 100% of an LLC if I have a parent who is also a member of said LLC?

You cannot own an LLC in Texas as a minor, but you can be a partner in a business with someone of majority age who could form the entity, operate...

When you hire a CPA to do your taxes and they make a mistake on your return do they have any personal liability

It depends on the kind of mistake made and all of the specific facts and circumstances involved. You should consult with an attorney that has...

If the hand written rule 11 agreement that I signed is different then what was filed does the filed one stands

Unless and until you appear before the judge of the court in which your matter is pending and have this issue addressed the filed Rule 11 agreement...

This is a contract matter - the contract being the written lease agreement that you have with your former landlord. You will need to read the lease...