Answer: The answer is (A) a rational number.
Step-by-step explanation: Given the following values of 'x' and 'y':
x = 5 and y = 7.
We are to select the correct type of number that the sum of 'x' and 'y' represents.
The sum of 'x' and 'y' is given by
[tex]S=x+y=5+7=12.[/tex]
Since 12 is a rational number, so the correct option is (A).
