The histograms show the numbers of hours two different groups of students spend online each week. Which statement must be true? A) The mean for Group B is greater than the mean for Group A. B) The interquartile range for Group A is less than the interquartile range for Group B. C) The median for Group B is greater than the median for Group A. D) The ranges for Group A and Group B are the same.

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

Indicate the formula for the following conditions: p^c(n,r)=

Acertain volume of water contains 100000 hydrogen atoms and 50,000 oxygen atoms how many hydrogen atoms are in a volume of water containing 4 million oxygen atoms