ANSWER
A. 1/9
EXPLANATION
When we have an expression with a negative exponent we can solve it by "flipping" the fraction and solving with the positive exponent:

In this problem we have to find:

We can think of a whole number as a fraction whose denominator is 1:

So we can use the trick:

And solve:
The length of the side would be sqrt(77) = 8.7749.....
This can be classified as two answers:
A and D
This is a real number
It is also an irrational number because it can’t we written as a simple fraction.
...more information is clearly needed
Answer:
$3.74 per gallon
Step-by-step explanation:
1. Divide $44.88 by 12
2. The answer will be 3.74
3. Each gallon will cost $3.74