Simplifiying Radicals. (MATH joke)
Halfghanistan.
They both blow up people who don't agree with them.
Fowl play !
My girlfriend said it with flowers. How romantic. Not really she hit me round the head with a bunch of thorny roses !
Simplifying Radicals. Yes, she's a math teacher.
I don't know, sometimes radicals can be irrational.
Natural log. Sorry about the math joke.