Answer:
2
Explanation
A whole note is 4 beats, so a half note would be 2 beats.
Rock n roll was the original music Elvis Presley played.
Pop Art uses iconic people or cultural symbols which can be identified as exactly what they are. Abstract Expressionism is not identifiable as a specific things or object, because it is supposed to communicate feelings. Pop Art usually sends a specific message, whereas Abstract Expressionism is art that is up to interpretation.
Music and culture are interrelated because music can be considered the "language" of a culture. Music has been known to connect people for generations and has been known as a form of telling stories.