BD bisects ABC. Find m ABD and m DBC .answers=(m ABD=45; mDBC=45 or m ABD=90; mDBC=45 or m ABD=90; m DBC=90 )

I don't think you are giving enough information. The angles must be equal since BD is bisecting ABC, but there is no way to know if they are both 45 or both 90 without more information.