Acone has a height of h cm and a fixed value of base radius of 7cm. given that the volume of the cone is increasing at a rate of 5cm^3s^-1 find the rate of change of h.

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