A Statistic.
Since they want to know how their magazine are, they are gonna make a survey. In the survey, the people are statistics to see how well their magazines are. With that, they can decide to change their subjects or whatever it is. Hope this helps!
It would be $0.84 all you do is take $4.20 and divide it by 5
The problem ask to choose among the following choices the side do the angles PQR and angle RQS have in common where as both of them are an adjacent angles and the best answer would be QR and RQ. I hope you are satisfied with my answer and feel free to ask for more