Option C, x>z and z>y.
The definition of positive integers in math states that "Integers that are greater than zero are positive integers". Integers can be classified into three types: negative integers, zero, and positive integers.
example of integers
Positive Integers: An integer is positive if it is greater than zero. Example: 1, 2, 3 . . .
Negative Integers: An integer is negative if it is less than zero. Example: -1, -2, -3 . . .
Zero is defined as neither negative nor positive integer. It is a whole number.
Z = {...-7, -6, -5, -4, -3, -2, -1, 0, 1, 2, 3, ...}
To learn more about positive integer, refer
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