For us to look into this better, could you share a screenshot of what you see on the monetization page here: https://yt.be/help/acmo ? We'll take a look.
As long as your channel meets the YPP eligibility and thresholds, you can expect to hear back within a month or so. We review all applications manually and this does take time. If it’s taking longer, it could likely mean your channel is held for a second review.