Car manufacturers have built-in alarms to beep at users whenever they do not buckle their seat belts while driving, this works on the principle of:

Create a cell reference in a formula by typing in the cell name or         a. right-clicking the cell. b. clicking the cell. c. clicking the column where the cell is located. d. clicking the row where the cell is located.

Designing a mobile web page is a little different from designing a regular web page. name at least three features that should be considered when designing a website that is mobile phone-friendly, and briefly explain why they are important.

Awell-diversified portfolio needs about 20-25 stocks from different categories.