is 0 a rational number, integer, natural number, or irrational number
0 is a rational number, integer, and a natural number, but it is not an irrational number.
is it an whole number
Yes, 0 is also considered a whole number.
is -9 a rational number, integer, natural number, whole number or irrational number.
-9 is a rational number, integer, and whole number, but it is not a natural number or an irrational number.
but what is -9 most likely to be?
-9 is most likely referred to as an integer.
what is \sqrt{144} most likely to be
√144 is most likely to be a positive rational number.
is it a whole number, natural number and irrational number?
