The greatest common factor of the numerator and denominator of the rational expression is x - 4
<h3>How to determine the greatest common factor?</h3>
The fraction expression is given as:

Factorize the numerator and the denominator

Cancel out the common factor

The common factor that was canceled out is x - 4
Hence, the greatest common factor of the numerator and denominator of the rational expression is x - 4
Read more about greatest common factors at:
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Andre walks for 16 minutes. 80% of 10 is 8 and times that by 2 is 16 so 16 minutes.
Answer:
4+2x is a sum.
Step-by-step explanation:
It can't be 1, because the coefficient of "x" is 2.
It can't be 2, because there aren't two variables in 4+2x. The only variable is x.
It can't be 4, because 4+2x is ADDING, not multiplying.
There we go!
The equation is y= 4/5x-3
my work is attached :)