Speeches do not require the same detail in citation as a paper, since it's not published or recorded

Which of the following is not a component of vocal delivery?

a. rate b. pitch c. pauses d. articulation e. gesticulation

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.