Miles davis's 1969 album btc brew was called "fusion" because it combined a. jazz and classical. b. african and european popular music. c. bebop and hard bop. d. jazz and rock.

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.