WordPress CMS and Blog problem

First, I’m running 2.32, but this didn’t work on 2.31 either. I’ve looked through all of the relevant forum topics and documentation, and have not been able to figure out how to do what I’m wanting to do with WordPress. I’m a newbie, so dumbing down any advice would be greatly appreciated.

I would like to run my site as a CMS (and I’m using the Mimbo 2.2 theme, which does this), yet also have a page titled ‘Blog’ that has all of my most recent posts. My home page (20somethingfinance.com) is my index page on my root directory, and was not an added created page. I want to use this page to highlight recent news and posts, yet also have a separate ‘Blog’ page with my 10 most recent blog posts. The problem is that the two pages are syncing up
(don’t want them to) and I can’t get anything to post on the ‘Blog’ page.

So far, nothing has worked, here is what I’ve tried.
1. Tried running the front page as dynamic.
2. Tried front page as static with ‘blog’ as my posts page.
3. Added a blog.php file as suggested on the site documentation.