2. why did artists use blue paint for certain figures? (answer with at least 1-2
complete sentences)

Blue is often associated with depth and stability. It symbolizes trust, loyalty, wisdom, confidence, intelligence, faith, truth, and heaven.

 to express feeling and emotion

Explanation:if you are a good artist u have to be able to eaxpress feeling and emotions in art.

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.