Misc: Who invented analytic geometry?

Questions

Hunter S Thompson wrote about 'Fear and Loathing' in which city?

Mount Vesuvius is near which Italian city?

Which word means the minimum number who must attend a meeting to make it valid?

In computing which letter of the alphabet represents 1,024 bytes?

Who is the only female tennis player to win the grand Slam and an Olympic gold medal in the same year?