X^2+9x-4=0 solve by quadratic formula. show all work

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 olu is twice as old as funmi if the sum of their ages is 60 how old is olu

Pranza plotted point a in the coordinate plane below.