A motion to strike should explain the basis for the requested relief - and without reading the papers it's hard to see what, if anything, you did...

My on-again off-again ex-girlfriend filed for divorce after learning I got married to another person.

If you were never married to the ex, no, you don't need a divorce or to do anything. But it sounds like there's more to the situation.

Marriage annulment

It depends upon the circumstances. You should consult a local divorce attorney and discuss the situation in detail.

Want a divorce and spouce doesn't want anything now

You can do it if you both agree. You should contact a local divorce attorney if you decide to move forward.

If I agree verbally to my divorce settlement am I bound by it even if I have not signed anything

No.

Child support

That question can't be addressed without a lot more informatoin.

Child support and health insurance premium

That depends upon the order. What does it say? If it's ambiguous you can either resolve it by agreement or by returning to court.

Can a paternal grandparent have shared custody? the grandparent has been in her life since she was born. The parents are not

That question can't be addressed without a lot more information. You should consult a family law attorney to discuss the situation in detail.

I have been receiving child support for two children, one is now 18 and is moving out, Is the amount recalculated?

Child support would continue as it stands unless there is some modification of the order or agreement under which it is being paid. Whether you...

Seeking sole cusotdy?

You can attempt to gain sole custody, but, first, you have to be ready to handle the situation if it's granted, and second, it may not solve all...