The answer is a. utility bills
Home page usually refers to the page that initially displays if you type in http://www.example.com/ It's usally named index.html, index.shtml or the like.
The range of cells from zz1 to zz23
If you are on a desktop computer you can press the top row key "F3" and a little box will pop up and you can type the word you are looking for in there and it will find that word on the page you are on and take you straight to it.