In order to calculate the __________ of an array of values, the array values must first be summed.

A(n) ________ worksheet is often added to a workbook to provide others with information about changes and modifications

Fill in the blank(s) with correct word

A(n) ____________________ area network is one that covers a large geographical area and typically consists of several smaller networks.

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