Answer:
B. x^2
Explanation:
If m = x/y and
n = 1/xy
then
m/n = (x/y)/(1/xy)
You can simplify this complex fraction (fraction over a fraction) with the method Keep-Change-Flip. It works!
KEEP x/y
CHANGE ÷ to ×
FLIP 1/xy over to be xy/1
See image.
x/y • xy/1
= x^2