A common factor for all of them is 8
Answer:

Step-by-step explanation:
Every integer is a rational number.
To "rationalize the denominator" is another way to say, getting rid of that pesky radical at the bottom.
we'll simply start by multiplying top and bottom by the "conjugate" of the denominator, recall difference of squares, anyhow, let's do so
A or b or c maybe try one of those
The answer to your question is 45 ✌️