The stem and leaf diagram shows the ages of people in a cinema. Key: 2 1 represents 21 years
2 1 3
3 0 2 2 5
4 3 4 6 8 9 9
5 0 2 2 3 5
a) What is the range of ages? 34 years
b) How many people are represented in the diagram?
people
c) What is the median age? 24 years old

Aline on the wall and a line on the floor are skew. always, sometimes, or never?

Players on the school soccer team are selling candles to raise money for an upcoming trip. each player has 24 candles to sell. if a player sells 4 candles a profit of$30 is made. if he sells 12 candles a profit of $70 is made

Every weekday, mr. jones bikes from his home to his job. sometimes he rides along two roads, the long route that is shown by the solid lines. other times, he takes the shortcut shown by the dashed line. how many fewer kilometers does mr. jones bike when he takes the shortcut instead of the long route?