-9y-9 simplification
-9y-9=0
-9y=9
y=-1
The mean is 35/5=7
The variance is the average of the sum of squared differences of each element from the mean:
v=((7-7)^2+(5-7)^2+(11-7)^2+(1-7)^2+(11-7)^2)/5
v=(0+4+16+36+16)/5
v=14.4
The answer is the second answer choice, an = -13 + 5(n - 1)
..................✨✨✨✨✨✨✨✨✨✨✨✨✨✨