In an activity diagram, a rectangle with curved sides represents

In the Inbox pane, the ________ for an e-mail that has not yet been read or opened displays in bold, and the icon at the left shows a closed envelope.

a. sender's name b. e-mail heading c. message header d. question mark

This statement needs to define rate as .1. #define rate = .1; Which is true?

A. There should not be a ; at the end of the line. B. It’s correct as is. C. The = should be omitted. D. The = should be omitted and the ; should be omitted.