Any i really can't figure this out

This painting is by james whistler, and is entitled, symphony in blue and pink. what is the subject matter of this piece?

Social documentation is a formal photograph of the document social security in an attempt influence people‘s thoughts and actions which of the following is not considered a great photograph or social documentation of the great depression

What role do background vocalists play? a. they provide additional support to the main vocalist and other members of a music group during recording sessions and live events. b. they perform as part of orchestras working for music theaters. c. they mix different songs or music scores and present a unique blend of music to an audience. d. they assemble and organize musical compositions according to their clients’ requirements.