At least do number 3 so I can help with the rest. That ok with you?
Monday and Tuesday because the second spot after the decimal point is the hundredths spot.
Correct answer:
Option B. y = 50.5x - 240 If we plot these points on a graph, we will observe that these points mostly lie in a straight line. Therefore, a straight line will be the best fit for the given ordered pairs. The equation of the best fit can be found using any tool like Statistica, Stata or Excel. I have used Microsoft Excel to plot the lines and find the equation of best fit. The graph and equation are shown below in the image attached with:
The value of x is either +7 or -8