That depends on state law where you reside. Consult an attorney for more information.
You would need to have the birth father's parental rights legally terminated. This can be done eithervoluntarily: he signs the paperwork.or involuntarily; this is difficult, and whether it is possible at all varies from state to state.
yes
To get a Florida birth certificate (or a birth certificate in any other state, for that matter), the child had to have been born in Florida.
yes
Yes, a child that is legally adopted in the state of Hawaii can receive an Hawaiian Birth Certificate.
That depends on state law where you live. It can vary.
yes
he will have to pay back child support if owed unless mother agrees not to or he will have to pay back support if owed to state like if mother was on state aid,but no he will not have to pay for future support
It's unlikely that the State will care who signs the checks.Added: Yes it is possible.
No but past due child support may still be owed
A child does not need a birth certificate to fly to Hawaii than it does to fly to any other state in the US.
Fathers with parental rights are not always listed on the birth certificate.