Using number sets, it is found that the correct classification of the number is:
C. rational number, integer, whole number, natural number , real number.
Numbers are classified as:
- Whole, which is all positive numbers and zero, also called natural.
- Integers, which is the set of whole numbers plus negatives.
- Rational, which is the set of integer numbers plus terminating or repeating decimals.
- Irrational, which are non terminating decimals.
- Real, which are the sum of rational and irrational.
In this problem, the number given is:

- Which is a whole(natural) number, thus it is also integer, rational and real, and the correct option is C.
A similar problem is given at brainly.com/question/10814303
Answer: 20
Step-by-step explanation:
So what I did was divide the pages by the hours and got 20
but, when it starts with 20 pages an hour you have... 20
That is 4(-3)^2 + 6(-3) - 5 = 36 - 18 - 5 = 13 Answer
Answer:
C
Step-by-step explanation:
We have the expression:

Rewriting this yields:

Therefore, our answer is C.