Which set of real numbers contains 23 and .45? Rational numbers

Integers

Natural numbers

Whole numbers

Rational Numbers

Step-by-step explanation: A rational number is any number that can be written as a fraction therefore 23 and .45 would be considered rational numbers.

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step-by-step explanation:

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answer: -10

step-by-step explanation:

s(t) = 1 - 10t

s(x) = 1 - 10x

s(x + h) = 1 - 10(x + h)

            = 1 - 10x - 10h

s(x + h) - s(x) = 1 - 10x - 10h - (1 - 10x)

                      = 1 - 10x - 10h - 1 + 10x

                      = -10h

= -10