An unknown number is fifteen more than -8

Match each inequality to the number line that represents its solution

Of the 304 people who attended a school play, 5/8 were students. how many of the people who attended were students.

The data set represents the ages of players in a chess club. 27, 34, 38, 16, 22, 45, 54, 60. what is the mean absolute deviation of the data set?