Weirdly enough, your story is nearly EXACTLY the same as mine. I also went and took ASVAB with NG till I got my score of 98, also had a nuke mm recruiter who took me to MEPS and got me the nuke job, also had an F in high school calculus. They will make you take the NAPT (if you haven't already) and from what I've seen, if you pass the NAPT, your waiver will be passed. My recruiters were extremely confident my waiver would be passed, and it was.