If you wanted to write a report that was to be printed, you would probably use:

For writing a report that is intended to be printed, the best choice from the options provided would be LibreOffice. LibreOffice is a free and open-source office suite that includes a word processor called LibreOffice Writer. This tool is specifically designed for creating and formatting documents, making it ideal for report writing. It provides extensive features for text formatting, page layout, and exporting documents in various formats, including printable formats like PDF.

Here’s why the other options are less suitable:

• Chrome and Firefox: While these web browsers can be used to access online word processors like Google Docs, they are not themselves suited for document creation. They are primarily intended for browsing the web.
• Adobe Flash: This is a multimedia software platform used for production of animations, rich web applications, desktop applications, mobile applications, mobile games, and embedded web browser video players. It is not suitable for document creation and is largely obsolete for most new web developments.
• A wiki: A wiki is a website that allows collaborative editing of its content and structure by its users. Although you could technically write a report on a wiki, it’s not designed for creating printable, formally formatted documents like a report intended for print.

Therefore, LibreOffice is the clear choice for this task, as it offers the necessary tools and capabilities for creating a professionally formatted report that can be printed.