You can use Microsoft Office programs to save your files in the ____ format so you can share your files with others who might not have the Office programs.?

The principles that should be followed for personnel security are: limited reliance on key employees, separation of duties, and _______.

Fill in the blank(s) with the appropriate word(s).

Find the mean of the set of data. 2,  4,  6,  5,  2,  4,  9,  4, 8, 12

A. 5.1 B. 4.5 C. 5.6 D. 10 E. 4