6.66, with a bar on top of the last two sixes
27.1.
Using PEMDAS, and plugging in the operations, your answer would be 27.1
Answer:


Step-by-step explanation:
Given

Express the denominator as 
To do this, we divide
by the denominator

So, the required fraction is:


Hence:

Given

Express the denominator as 
Multiply the fraction a+4/a+4
So, we have:

Apply difference of two squares to the denominator

Take the additive inverse of the numerator and denominator


Hence:

The answer would be 1.23 that is the answer