Top:
8^(-1/3)
= (2^3)^(-1/3)
= 2^(-1)
Bottom:
36^(-1/2)
=(6^2)^(-1/2)
=6^-1
so
2^-1 / 6^-1
= 6^1 / 2^1
= 6/2
= 3
Answer:
3