Joke : Whats new ?

Overheard two friends talking.
1st friend , 'So whats new?'
2nd friend, ' New?????? I am a history teacher !'

Joke : The Fat Lady

The waiter asked the fat lady , ' Ma'am, would you like your pizza to be cut n served in 8 pieces '?

Fat lady , ' Heavens, no! 4 would be just fine, I am on a diet !'

Dear Maths....