How many arrangements of the letters in the word "schools" are there?
1,260
2,520
5,040

What is the binomial expansion of (2x-3)^5

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

How do you determine if an ordered pair is a solution to a given equation?