Welcome, David! Where are you in CO? I'm in Colorado Springs, so if you're nearby, let me know and maybe I can help.
One simplisctic way to know what you're up against is if you can catch a fingernail, the scratch likely won't come all the way out. Otherwise, the most common method to fix is start least aggressive first. Since that (FP and white foam pad) likely won't work here, you can also conskder starting with CP and orange foam pad just to see what happens, stepping up to the MF pad or HCC and pads.
Here's a great article from @shane@detailedreflections to help decide which polisher(s) will work for you.
I can't get this link to delete, so please disregard.