How would i find the value of x here?

Apath 3 m wide runs around the inside of a square park inside 60 m.find the area of the path.pls

One line passes through (-7,-4) and (5,4) . another line passes through the point (-4,6) and (6,-9)

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