1. How long did it take Alex to get his first friends house
2.How long did he stay at his first friends house
3. how long did it take Alec to ride his bike from his first friends house to his second friend's house
4.how much longer did alec stay at his first friends house than at his second friend's house
5. in which parts of the graph is alec riding his bike towards his home
6. in which parts of the graph is alec traveling the fastest
7. how long was alec away from his house