Show that r^+=[0,infinity ) is not compact using the definition of compactness.

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

Which value would be a solution for x in the inequality 47-4x< 7

You receive 15% of the profit from a car wash how much money do you receive from a profit of 300