What is 1+20 =31 and 21+1=22

First to answer will be the brainliest i need the answer asap

Choose one piece of art from the unit. identify at least three elements or principles of art in this piece of artwork. discuss each element or principle and how it is used in the piece.

Although many musicians participated in the bebop revolution, and history has undoubtedly forgotten many who were in the trenches of the harlem jam sessions, it is clear that the most important and influential architects of bebop were and