Which type of poster deals with political campaigns or corporate communications? informative poster
B.
subject poster
C.
propaganda poster
D.
affirmation poster

C. propaganda poster

Explanation:

propaganada posters are a form of communication used to demonstrate political views towards a cause or position.

artists followed a set of rules to achieve ideal proportion.

including the octave, the answer would 8 notes in a major scale with one note being played twice. ex) c major scale includes: c, d, e, f, g, a, b, c

notice that c is played twice

however, if you were to ask me how many different notes are in a major scale- the answer would be 7.