In excel, [Text] is used to place worksheet, column and row titles on a worksheet.
In excel you can inset text to make comment, to input words or number and to make title.
The answer is -15. This because 12 * 15 = 180 so in order to make it negative one of the integers has to be negative and since 12 is given you have to make 15 negative.
Abcdefghijklmnopqrstuvwxyz now I know my abcs, next time won’t you sing with me :)
(I am not sure what you are asking since question is not specific enough),
I am assuming you are asking why organizing a file on a computer is a key skill-
It is because today’s workplace should have as much organization as possible for a steady workplace and work environment, making needed files easy to access.