The di sotto in su viewpoint of the oculus in Andrea Mantegna's paintings in the Camera Picta in Mantua is made fully convincing through __________.

What are the letter names of this group of pitches?

A. C5 B4 A4 G4 A4 B. C6 B5 A5 G5 A5 C. C5 B5 A4 G4 A5 D. E4 D4 C4 B4 C4 E. E5 D5 C5 B5 C5

As Oscar encodes a message into an e-mail, which of the following are common pitfalls that he can avoid as the sender of a message (check all that apply):

a. entering decimal points incorrectly b. taking a message too personally c. leaving out facts d. using ambiguous phrases e. misusing words f. drawing the wrong conclusions.