Answer:
The answer is: Y is always 2
Step-by-step explanation:
You can see this because as you go left to right the y corrodinate will always be 2 as the x increases/ decreases.
Mean = sum/N
7 = 42/N
N = 42/7 . . . . . multiply by N/7
N = 6
There are 6 scores in the population
Divide the two numerators and get 3.25 multiply 13 hours by that and the answer to the first part is 42.25
The formula of an area of a square: 
a - side
We have: 
substitute:

The fromula of a perimeter of a square is: 
substitute:
