Answer:
Variance is the squared deviation and deviation is the difference of observed value from other values
Step-by-step explanation:
Variance is the squared deviation and deviation is the difference of observed value from other values


Where, 
Answer:
Step-by-step explanation:
Hhhy
(7+x)+x=15
I did trial and error to get x=4.
Answer:
12 feet
Step-by-step explanation:
If we use a rectangle. there would be 4 sides the length we can represent as x and the width would result as 3x. If we use the perimeter formula, we would get 8x. 8x would equal 96, the perimeter.
8x= 96
x= 12
The length would be 12
Hope this helped!! :D
Answer: I recommend using a site called "Desmos" it shows you where the points are. Hopefully, I helped you.