Simplifiying Radicals. (MATH joke)
They always bomb the punchline!
so they can reuse the phone after the explosion
A bunch of chickens in a field full of balloons !
A Haiku.
One is a group made up of radicals with extremist views. And the other group is ISIS.
Radical.
Natural log. Sorry about the math joke.
Simplifying Radicals. Yes, she's a math teacher.