Part 1)
How old is the most recent request? I have done this one before, but cannot remember what I am missing.
=MAX([Date Submitted]:[Date Submitted])
Part 2)
I have the formula, but want it to calculate in business days. I'm sure this is something simple I am overlooking.
=TODAY() - MAX(COLLECT([Date Submitted]:[Date Submitted], Status:Status, OR(@cell <> "New Request", @cell <> "Reviewing Request")))