Which accidental is used in measure 15 and How does this accidental alter the original note

Ineed this answered very ! what happens when there is a transfer of artwork using a grid? a. acts to verify the analysis of the composition b. the viewer's eye adjust to unity c. unify the composition d. none of the above

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

Will give brainliest jazz musicians were often spokesmen for equality and civil rights. a. true b. false