Answer:
16
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Answer: That used to happen to me but if you answer peoples questions it doesnt do that anymore because you are helping out
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Answer:
is it like exponets
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Answer: x-3, 3, is not equal to
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Answer:
a. True. Rational numbers are closed under the sum operation, therefore, the sum of two rational numbers is always a rational number.
b. True. irrational numbers are closed under the sum operation, therefore, the sum of two irrationals numbers is always a irrational number.
c. True. The square of a real number is always a number greater than zero, and the sum of two numbers greater than zero is greater than zero.
d. True. The real numbers are closed under the product operation, then if a and b are reals numbers, the product ab is also a real number.
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