Identifying an Action That Reveals the Author's Purp Which of the number devil's actions helps the author inform readers about math?
O taking a piece of chewing gum out of his pocket
O proposing a problem he cannot answer
writing numbers in the sky like skywriting
trampling the grass when he gets angry

Writing numbers in the sky like skywriting

Explanation:

I got it correct on EDG :D

b is the answer for this question.

harlem's  cotton club boasted the talents of duke ellington. singers such as bessie smith and billie holiday popularized blues and jazz vocals. jelly roll morton and louis armstrong drew huge audiences as white americans as well as african americans caught jazz fever.