Answer:
Option (A)
Step-by-step explanation:
A set of real numbers is a combination of both rational and irrational numbers.
But the elements in the sets of rational and irrational numbers will be different.
In short, rational and irrational number sets are the two subsets of real numbers.
Hence, the number is an element of either the set of rational numbers or the set of irrational numbers.
Option (A) is the correct option.
Answer:
Hey I think that it's a cube of sodium or ice
Step-by-step explanation:
Hope it helps! :)

Answer:
A weak negative correlation
Step-by-step explanation:

where,



This represents a weak negative correlation