In the data set below, what is the mean absolute deviation? 3,1,9,9,7

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 of the following is the true for f(x) = 5cos

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41