Not sure if you can export as "CSS & Images" all 8 pages at the same time. You maybe should export page by page, then combine some of the CSS code. (And anyway, each page must have its own HTML, don't you agree?)
There are a lot of tutorials which deal with CSS export of Fireworks, here are just a couple:
I hope this helps you, at least a little bit!
Thank you for your response. My comments are in line.
You can't. And considering FW would generate independent CSS for each page, it's probably just as well.
Treat FW as a way to create your starter page, then head over to a real web page design app, like Dreamweaver.
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Thank you for your response.