I guess you mean
. Since
is in quadrant III, we expect
. Then

Since
is in quadrant I, we expect
, so that

Now,


and

Answer: Answer A.
Step-by-step explanation:
3.2x-9.6=38.4
3.2x=48
x=15
130 • .16 = 20.8 or 20 (4/5) or 104/5
Put the answer as 20.8 unless specified otherwise.
.16 is 16%