Answer: (f)
Step-by-step explanation:
Given
Line that passes through
and 
Using two point form, equation of a line is given by

Insert the values

Thus, option (f) is correct
You divide the number of kilometers by 0.621371 to get the number of miles per hour. I hope this helped!
In general when a firm produces nothing it still has to pay for the fixed costs while the variable costs are zero
Answer: See the description below.
The residuals are the difference between the actual and predicted values. Just subtract those values and plot the point.
Your points will be:
(2, 0)
(3, 4)
(4, -5)
(6, -1)
(7, 2)
We can easily get the quarts per hour rate by dividing the number of quarts by the number of hours:

Now that we have the quarts per hour rate, we can easily address the question: the factory could make

quarts in 48 hours, with a daily rate of

quarts per day