Is it legal for a 17 year old to be intimate with a 35 year old? Can he sign the birth certificate without getting into problem?

Since you are 17, it is OK to have to sign certificate.

Can a mother who is married to the father in Michigan with no divorce or custody agreement bring the kids to NYS ?

She can bring it but the father can go to MI court and asking for habeas corpus and NY does not have jurisdiction over the case.

My sons mother is moving to Florida in a week. We already have an existing custody and visitation agreement. Can she move?

You can petition to the court to stop this.

What steps do my wife take???

Your wife and child's dad has to figure out this.

Can I get a restraining order on someone if we live together and the house is in their name?

Yes, you can get restraining order against your mother-in-law.

If I die, will my daughter be able to stay with my partner and not go back to her biological father ?

Since your partner is not biological parent and biological parent can resist to adoption, your biological father will have custody.

You can't leave NY with children because father will petition for return and full custody.

Do i have to force my kids to fly to az for mothers visitation?

Unfortunately, since the court granted residency of children to your ex residency, they have to go to az.

My husband abandoned me and his children for another woman and married her but him and I are still married what can I do

His marriage is void as bigamy. If you want child support, you need either file petition in Family Court or seek divorce in Supreme Court.

The the last time my daughter seen her father was on the end of August . What can I do?

If parent has visitation rights, only he can control how to use that right. After all, visitations rights helps to have relationship with child.