Considering that Adam was only 930 years old when he died, your ideas are in conflict with Genesis.
None. Her first child was Cain, born after the expulsion. Your ideas are in conflict with Genesis.
Sorry, A&E were the first to sin; they were how sin and death entered the world. Your ideas are in conflict with Genesis.
Yes, but that was only right before they were expelled from the Garden and before she had here first child. Your ideas are in conflict with Genesis.
Not acquainted. What references?