The first one is true your welcome hope thi helps
Answer:
The line of best fit would be the line in between all the points in the scatter plot that is the closest to having an equal amount of dots on each side.
If there isn't one with the exact number, pick the one that is the <em>very closest</em>.
Jessica will need to continue knitting for 4 nights.
9cm - 1cm = 8cm
8cm / 2cm = 4 nights
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20=10%
times 10
200=100%
he earned $200 at the parlor