8 - (2/x) = y (ignore these words the answer was too short lol)
The answer is 1
Hope this helped :)
The answer is C: 0.777...
Rational numbers are numbers that repeat or end.

Let's start off by writing this with symbols. 
Follow the order of operations and start with the exponent. 
Now, solve the parentheses. 
Multiply. 
Add. 

<span>7.8x - 17.2 when x= 5
</span>
Ans: 21.8