Answer:
B, C, D, E
Step-by-step explanation:
Important vocab:
<em><u>Irrational number:</u></em> In mathematics, the irrational numbers are all the real numbers which are not rational numbers. That is, irrational numbers cannot be expressed as the ratio of two integers.
<u><em>Rational number:</em></u> In mathematics, a rational number is a number that can be expressed as the quotient or fraction p/q of two integers, a numerator p and a non-zero denominator q. Since q may be equal to 1, every integer is a rational number.
<u><em>Integer:</em></u> An integer is colloquially defined as a number that can be written without a fractional component.
<u><em>Whole number:</em></u> Any of the numbers {0, 1, 2, 3, ...} etc.
<u><em>Real number:</em></u> Any of the numbers {0, 1, 2, 3, ...} etc.
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The square root of 25 is 5. From the definitions we can conclude that 5 is rational, an integer, a whole number, and a Real number.
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