Maths is an abbreviation of mathematics, plural ending. It's more logical to call it maths than math.
I'm getting to very much dislike the use of 'pissed' to mean fed up. It may not be an elegant expression but it means 'drunk'. To be fed up you have to be 'pissed off'.
Trump is giving money to win votes in the mid terms






and of course there are other things that invade my nasal cavities than "invites"