S=d/t
s=8.45km/0.65hr
s= 13km/hr
Therefore the speed is 13km/h.
Hope that helps :)
Answer:

Step-by-step explanation:
Given

Required
Determine the intercept
The intercept is at point: 
So, we have:



So, the intercept is at point 
<em>None of the options is true</em>
It equals 2 pounds hope this help buddy
r value i.e Correlation between x value and y value = 0.769
=Standard deviation of the x-coordinate = 5.508
=Standard deviation of the y-coordinate = ?=k
Slope of line is given by formula
If slope of line is m, then
m =
m= 
Substitute the value of k, i.e Standard deviation of the y-coordinate and then you can get the slope of line to three decimal places.