Which rational number also belongs to the set of natural numbers? select one: a. 15 b. -12 c. 38 d. 0.

Any number that belongs to either the rational numbers or irrational numbers would be considered a real number. That would include natural numbers, whole numbers and integers. There are two parts to this: the number has to belong to the set of whole numbers {0, 1, 2, 3, ...} and.

x+y=90

x=30-y=x

step-by-step explanation:

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