Answer:
yes to 5
Step-by-step explanation:
divide 45 by 9 and u get 5
Should be 1,188 , because 1,188 divided by six would be 198, hope I could help
I would say 2. As the line of best fit is supposed to represent the average of all the data points. It's not nessecarily needed to go through every point.
Typically Geometry. But it depends on your level.