Aveterinarian collects data on the number of times race horses are raced during their careers. the veterinarian finds that the average number of races a horse enters is ¯=15.3 , with a standard deviation of =6.8 in a sample of =20 horses. a 95% confidence for , the average number of times a horse races, is

How do i do this? i don’t understand

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

What is the expression in factored form? 3x^2 + 18x + 24 a. 3(x+2)(x+4) b. 3(x-2)(x+4) c. 3(x-2)(x-4) d. 3(x+2)(x-4)