Answer:
Subtraction
Explanation:
That is subtracting the values of two cells.
You know because of the "-" sign
Answer:
Section breaks
Explanation:
The Breaks command, which has several options, inserts section breaks. Section breaks appear as a double-dotted line, and they store formatting instructions such as margins, page size, and page numbering formats for the section above the marker.
Explanation:
Rather than use LAN or VPN remote connections, cloud services may be a better option to use. They could focus on using alternate remote file access services such as Google Drive, Dropbox, etc. Using these alternative services would be best suitable for unreliable or limited internet connections.
Also, it would be best if remote users download/store important folders when in an area having a stable internet connection.