In a for statement, the ________ expression is executed only once.

To add a WordArt image to a worksheet, you click the WordArt button in the:

A) Illustrations group on the Home tab. B) Text group on the Insert tab. C) Text group on the Home tab. D) Illustrations group on the Insert tab.

Which statement is true?

a) Sentinel values are used to control iteration when the precise number of iterations is known in advance. b) In a counter controlled-loop, the counter may not count downward. c) Sentinels must be distinct from regular data items. d) Sentinel-controlled iteration is often called definite iteration.