Can and how I would claim the expenses on taxes?

Child-support and expenses are all determined using some court approved form in Missouri it's called a form 14

Is the trustee of my moms estate able to demand my financial records?

Only if you want to be reimbursed for your expenses or if they think that you stole from your mothers estate

Can the District Court Judge over rule on a Judicial Arbitration Judge's post divorce ruling, in light of new evidence?

An arbitration decision can be appealed

When and how do I file my LLC's income tax to the state of Maryland?

Income tax need only be reported once a year sales tax would be reported more often

How can i get info i need

You have no right to see the trust or the will until and unless the person dies and a probate estate is open

Money is considered personal property.

Can I really be taxed by two states for the same transaction?

It appears Zaher has answered this question sufficiently.

An address of some sort will be required.

If you were not listed in the will and your mother made no other provisions for you it appears you have no claim to the home.

Is it legal not to pay me as I got injury while I was on duty/on layover? What I have to do?

If this is a work comp claim then temporary total disability is two thirds of your normal pay.