Which of these is not an integer? 6/3 3/6 6/2

3/6 is not an integer because they are not fractions.

"An integer is a whole number (not a fraction) that can be positive, negative, or zero. Therefore, the numbers 10, 0, -25, and 5,148 are all integers. Unlike floating point numbers, integers cannot have decimal places. Integers are a commonly used data type in computer programming." (https://techterms.com/definition/integer)

answer: a.   one is a factor of every whole number since every number is divisible by itself.

range =5

step-by-step explanation:

to find the range, we take the largest value and subtract the smallest value.

the largest value is 5

the smallest value is 0

the range is 5-0   =5