PLEASE HELP!! ive done a all nighter so my brain isnt working. Someone please help..

Which equation matches the graph shown ?

Last year, a state university received 3,560 applications from boys. of those applications, 35 percent were from boys who lived in other states. part a)how many applications did the university receive from boys who lived in other states? part b)applications to the university from boys represented 40percent of all applications. how many applications did the university receive in all? i don't how to do part b so me and plz tell how you got your answer

What is the value of x in the following equation. -x ^3/2 = -27