3- 5/9= 2.45
3- 23/9= .45
2.45/.45= 5.44
5.44^3/2= 81
Answer:
C. 
Step-by-step explanation:
Given

Required
Find the expression where x - 2

Substitute 2 for x

From law of indices which states

So, the expression becomes

Expand the denominator


Hence,
is
when x = 2
They won't all fit i don't think there is enough
If you use the pothaorian theorym (A squared + B squared= C squared) youll be able to figure out the right answer is 65.