Simplifiying Radicals. (MATH joke)
He was going through a midlife ISIS :(
Because they hate waterboarding.
A bingo machine.
A bunch of bi Nanas.
One is a group made up of radicals with extremist views. And the other group is ISIS.
Simplifying Radicals. Yes, she's a math teacher.
Logic. (If you don't like physics jokes, just keep movin') ...(if you don't like math jokes, trust me, sometimes it makes a difference).