7C) It is okay to have points in between because Klaus does not have to work the full hour.
The graph is shows how many cars the students in Gr.8 washed and how much income they get.
On the X-axis the pattern is +1 and on the Y-axis the pattern is +10 so it is over 1 and up 10 repeating.
One car wash will cost $10.00
9. The pattern of the graph is X= +1 and Y= +2
Here`s a Link to a video that i found to help you if you do not get the lesson.