1. ms-dos 1981
2. windows 2.0 1987
3. windows xp 2001
4. mac os 2001
5. windows 7 2009
less time and depth is required for panel discussions
It may be D) because it is actually a simplified version of Google maps.
format>number>percent
Explanation:
You click the box you want to convert into a percentage and then at the top where it says file, edit, view, insert, format, data, tools, add-ons and help, click format then number and then percent. This should convert your number into a percentage.