<span>x2 − 8x + 16
= (x - 4)(x - 4)
= (x - 4)^2</span>
{ x + 4y = 22 ( + x - x = 0 )
{ - x + 5y = 23
4y + 5y = 22 + 23
9y = 45
y =<u> 45 </u>
9
y = 5
x + 4y = 22
x + 4 . 5 = 22
x + 20 = 22
x = 22 - 20
x = 2
S = { 2 , 5 }
Well I would say A because it went from 8 to 38 which is plus ten.
Answer:
81
Step-by-step explanation:

9 x 9 = 81