Someone hurry and help plsss

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

Linda loans her friend $250 with a 5% monthly intrest rate. how much was the whole loan?

The radius of a sphere is 3 inches. which represents the volume of the sphere?