Answer:
18/5 or 3 3/5
Step-by-step explanation:
Depends if you want it simplified
2(2x +2y) and <span>√(4x + 4y)^2</span>
It looks like the first 1 is the first problem, problem #1. (because of the period)
If this is the case, then the second sequence is 1, 0, -1, ...
1-1=0
0-1=-1
-1-1=-2
-2-1=-3
-3-1=-4
The sequence would then be 1, 0, -1, -2, -3, -4, ...