When you declare or access an array, you can use any expression to represent the size, as long as the expression is a(n) ____.

A good reason to pass a structure as a constant reference is

a. to prevent changes to the structure's members b. to ensure changes to the structure's members c. to slow down the function's execution which helps prevent errors d. to speed up the function's modification of the structure's members e. None of these

Which program would you use to create a slide show?

A. Excel B. Word C. Outlook D. PowerPoint