the distance that a spring will stretch varies directly as the force applied to the spring. a force of 50 pounds is needed to stretch a spring 5 inches. what force is required to stretch the spring 19 inches?

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

Can someone me with #s 8, 9, and 11. with just one of the three also works. prove using only trig identities.

What is the gcf of 20c^3-5c^4+30c^6