Answer:
A. She can use freeze panes.
Freeze panes is a feature in spreadsheet software that allows a user to keep the top rows or columns visible while scrolling through the rest of the document. This can be useful in Irma's case, where the document is too big and will be printed across multiple pages, to ensure that the titles for each row will be visible on every page, making it easier for the reader to understand the content.
B. She can use print titles, it is also a feature in spreadsheet software that allows a user to specify which rows or columns should be repeated at the top of each page when the document is printed.
It will also help Irma to make sure the titles of each row will be visible on every page.