Answer:
8
Step-by-step explanation:
That is the quetion that sal khan explaind in the vid BOI
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.
The answer is D. No relationship but there’s no question for it so it maybe wrong
Answer:
the answer is r (‑1)/(6*x)-2.1
Step-by-step explanation:
Answer:

Step-by-step explanation:
The model shows that there are 40 tiles which were divided into 4 per group. This results into 10 groups. That is:

Therefore, the expression modeled by the arrangement of the tiles is 