All real numbers.
All real numbers.
number line
Yes, because all numbers on the number line are real numbers
the set of real numbers
That would be the real numbers.
The number line is simply a line (never-ending) that contains all the numbers from negative infinity (on the left) to infinity (on the right).
Add all the numbers together, then divide by the number of numbers.
To the left of zero.
The number line includes all rational numbers but also has irrational ones. It is the REAL number line. The square root of non-perfect squares are on it and pi is also on it and they are not rational.
integers
Numbers to the right of zero on a number line are positive numbers; to the left are the negative numbers.