In mathematics, a ratio<span> is a relationship between two numbers indicating how many times the first number contains the second. For example, if a bowl of fruit contains eight oranges and six lemons, then the </span>ratio<span> of oranges to lemons is eight to six (that is, 8:6, which is equivalent to the </span>ratio<span> 4:3\
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It’s should be letter A for it
4) Answer is D.
Irrational numbers cannot be classified as rational numbers
5) Answer is B.
Every irrational number is a real number
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