Thanks for reaching out! If you haven't already, check out this Help Center article on account terminations and what you can do to appeal: https://yt.be/help/WX8pc Hope this helps!
You may wait until you receive a reply to your appeal, but if you'd like to cancel your membership first, you can follow these steps: https://yt.be/help/F22u . If you're having troubles cancelling, we recommend reaching out to our live support team: https://yt.be/help/purchases