Given (x, y) coordinates, create a function such that each coordinate is uniquely mapped to an integer. also make sure that given an integer, you should be able to find (x, y) coordinates. so f(x, y) = z and also that inverse f(z) = (x, y)

Is it a multiple choice question? if not rhen how long does the answer need to be?

Rhythm  in music is characterized by a repeating sequence.

Something the don't have a lot of

When your using a username and you use the same name for everything your being secure because if someone sites there and uses a few different search engines they wouldn't use just one because they all use differnt web crawlers so they woud have different results. but anyway by typing thag username into those searches they can assume everything they find is probably you because you use the same username for everything.