1) Using Haskell, create a function that takes a two dimensional matrix of Strings and transforms all empty strings to "0".

2) Using Haskell, create a function that maps a list of Strings that may have multiple words to Strings with only the first word left.

3) Using Haskell, create a function that takes two lists, zips them, then maps the result to a list of sums of the numbers in the tuples.