Answer:

Step-by-step explanation:
When we scale an object by a scale factor, the side lengths become the scale factor times bigger than the previous sides. Therefore, with a scale factor of 6, the side lengths would be multiplied by 6.

Hope this helped!
Answer:
in total there are 80 subjects. I don't know what class width is though.
Step-by-step explanation:
Look at the graph
Answer:
6
Step-by-step explanation: