The X which is the first number in each () in called the input
There is only one input for every number
Meaning all the first numbers mystery br DIFFERENT
Answer:
The following pairs/results are matched:
= 
= 
Step-by-step explanation:
Lets solve all the expressions to match the results.
<em>Solving the expression</em>





Therefore,
= 
<em>Solving the expression</em>




Therefore,
= 
<em>Solving the expression</em>





As
and 
So,
will become 
Therefore,
= 
<em>Solving the expression</em>








Therefore,
= 
Thus, the following pairs/results are matched:
= 
= 
Keywords: algebraic expression
Learn more about algebraic expression from brainly.com/question/11336599
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Answer:
Real numbers are "closed" under multiplication
Irrational numbers are "not closed" under division
Integers are "closed" under subtraction
Positive ration numbers are "closed"
Hope this helps! :)
Those are correct i hope this helps
2:5
4:10
8:20
16:40
Hope that helps:)