Answer:
first graph is a function
Step-by-step explanation:
Answer:

Step-by-step explanation:

Answer:
17
Step-by-step explanation:
Answer:
From -6 to positive 1 the length is 7
Step-by-step explanation:
you still add'em.
Answer:
1 hr 38 min
Step-by-step explanation:
The start time is 7:20. The end time is 8:58.
When 1 hour passes by, the time is 8:20.
8:58 - 8:20 = 38 minutes
1 hour and 38 minutes passes by.