Not really , you just have to learn the php that wordpress uses , either that or get someone else to do it for you , there is no easy way or tool to use that i know of
Well, if the actual content is not that huge, simply copy-paste will work for transferring it into wordpress posts, and I think this is your case, isn't it ? Otherwise think of some possible automation, depends on the situation.
I think that is not so complicated. Like SeoKungFu said, you can transfer the content to posts and you can modify a free template to adapt your existing design.
tulipkiya You can use Artisteer software for this purpose. artisteer.com If you like i can also design wordpress theme for your web at low price.
dreamweaver is a tool to create any web page on the other hand wordpress is the content management system which is flexible that dream weaver . i don't understand exactly the issue here