Answer:
The answer to your question is
Explanation:
Rational numbers definition. They are numbers that can be expressed are the division of two whole or more common as a fraction.
Process
1.- Express all the choices as fractions,
a)
is a rational number because it agrees with the
definition.
b)
is not a rational number because 37 has not exact
square root, then it does not follow the definition.
c)
is not a rational number because 38 has not exact
square root.
d)
it is not a rational number because 39 has not exact
square root, then it can not be expressed as the division
of two whole numbers.