What are you asking to solve?
Jim is ranked third best in his class of 50 students.
The regression equation of the data values is y = 0.3x^2 - 2.8x +4.2
<h3>How to determine the regression equation?</h3>
Using a technology such as a graphing calculator, we simply input the data values in the graphing calculator and then wait for the result.
The x coordinates must be entered into the x values and the y coordinates must be entered into the y values
Using a graphing technology, the regression equation of the data values is y = 0.3x^2 - 2.8x +4.2
Read more about regression equations at:
brainly.com/question/17844286
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Answer:
Step-by-step explanation:
4(5x - 6) - 4(2x + 1)
20x - 24 - 8x - 4
12x - 28
