Find the inverse for the 3 equations

Find the solutions for a triangle with a =16, c =12, and b = 63º

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

If each bricks costs and he can only buy one brick how much will it cost him to get the material to put around the outside of his garden?