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.
Answer:
87 i think
Step-by-step explanation:
I used a calculator
Answer:

Step-by-step explanation:
Given
each
Required
Determine the number of possible answers
<em>The first question has 4 possible answers</em>
<em>The second has 4 possible answers</em>
<em>The third has 4 possible answers</em>
<em>The fourth question has 4 possible answers</em>
<em>The fifth has 4 possible answers</em>
<em>The sixth question has 4 possible answers</em>
<em />



Part 1:
a = 2
b = 4
c = -3
Part 2: the parabola will open up
Part 3: axis of symmetry x = -1
Yes they are equivalent to each other