How to delete Sharepoint Online “site”

Wow. This should not be this difficult.

How do I delete these old “sites”?

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These have the word “site” in the url:

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Unfortunately, the docs here say to delete a Sharepoint site, I need to click Site information which I don’t see when I click the gear icon.

The instructions say:

Note: If you do not see Site information in the Settings panel, work with your SharePoint administrator to get access.

I am the admin and only user in the tenant.