Given the functions j(x) = x2 − 9 and k(x) = −x2 + 7x − 1, which operation results in a 3rd degree polynomial?

addition
subtraction
multiplication
no operations

Convert 50 kilogram to pounds. (the conversion factor from kilogram to pound is 2.2046.) a. 52.2 lb. b. 110.2 lb. c. 22.6 lb. d. 47.8 lb.

If 20% of a number is 35, what is 50% of that number?

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