What type of programming contains class definitions?

In my email i got a message it says a quick message and in message details on who its from its says nicole and under nicole is [email protected] -

You have a small company and want to keep your costs low, but it is important your employees share data. which network would provide you with the most economical solution?

Match the following errors with their definitions. a. #name b. #value c. #ref d. 1. when a formula produces output that is too lengthy to fit in the spreadsheet cell 2. when you enter an invalid cell reference in a formula 3. when you type text in cells that accept numeric data 4. when you type in a cell reference that doesn’t exist