There's a wide range of ages when it comes to the Roblox generation and I speak from experience as a librarian having to shush both kids and teens for being too loud on the computers while playing.

You can mute yourself on Clubhouse by tapping the microphone icon in the bottom-right corner, and mute someone else by tapping their icon.

You can delete a Roblox account by simply emailing the company, but there are a few other ways to do it.