Need extreme help pls

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

He that is measured at 220° is a reflex angle. the opposite angle is obtuse. find the measure of obtuse .

What is the difference between the predicted value and the actual value