Signed an offer letter today to start Monday, but just realized I don’t have my SS card and my Passport expired last year. What can I do?

Social Security office website says those are closed to the public currently. I can’t find my card anywhere. I did look at self E-Verify out of curiosity and it says I’m eligible to work obviously. But I noticed my passport expired last year. I don’t know what to do and the offer came today to start Monday.

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