Pi
None. The mods do that for her.
None. Somebody else does the screwing for 'em.
None, because they keep on asking why all of the other light bulbs in the house aren't being changed at the same time.
Twenty. 1 to hold the bulb 2 to turn the ladder and 17 to be on the guest list.
They're radical.
He was a chronic math-debater
Pop-tart.
0, 1, e, pi.