To which subset of real numbers does -18 not belong?

The subsets of the real numbers are the irrational numbers, rational numbers, integers, whole numbers, and the natural numbers. First, figure out where does -18 belong? Well, -18 is a rational number because it can be expressed as a fraction of two integers. It's also an integer.

So, it doesn't belong in the sets of irrational numbers, whole numbers, and the natural numbers.

7

Step-by-step explanation:

if tere is onr group of three and there is 21 pages to read then u divide 21 divided by three wich is 7