What property is shown in the equation?

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

Ihave trouble finding the nth term of a linear sequence

For the right triangle shown, the lengths of two sides are given. find the third side. leave your answer in simplified, radical form.