Audiences do not expect that speakers will present images, videos, and audio clips

Pam says "Hi" to Juan when she enters the classroom. Which person is the sender and which is the receiver?

a. Pam and Juan are simultaneously sender and receiver. b. Pam is the sender and Juan is the receiver. c. Juan is the sender and Pam is the receiver. d. Pam is the sender and if Juan responds with "Hi," then he will be a sender. e. None of the above.

Sammy has more than three lines to plot. He should use a

line graph. Indicate whether the statement is true or false