Your answer choice would be B.
Y is your quantity
You minus 12 so...
Y - 12
Then it's two times that so...
2(Y-12)
P=2L+2a
w=L-8, P=52
52=2L +2(L-8)
52=4L-16
68=4L
L=17, w=9
<span>16 - 4 = 12
36 - 9 = 27
Next trio..
44 - 11 = 33
,,,the next number</span>