Could someone explain to me how to answer this question.

1/6 ( / 3^2) + 2^3 / |-8|

Let's simplify some things first:
The square root of 81 is 9.
3^2 = 9
2^3 = 8
|-8| = 8

1/6 (9/9) + 8/8

1/6(1) + 1

1/6 + 1 = 7/6

The answer is 7/6, or 1 and 1/6