Answer:
C
Explanation:
Taking a square root of a number that doesn't have a square root like
will result in an infinite number of random digits which is an irrational number. Hence, C is the answer.
D isn't the answer because even though
is irrational, you're adding
and then subtracting
from the total sum. Hence the total sum would be 5+14.
5+
+14-
=5+14+
-
= 5+14 ==> 19 is a rational number