If n is the square root of a positive integer, and is divisible by both 2 and 6, what is the least possible value of n?

Pls me this is due today and i need i will make brainliest if you me answer correctly and i will report if you try to give me a dumb answer.

Choose the number sentence that shows the identity property of addition. a. 122 = 61 + 61 b. 62 = 1 + 61 c. 61 = 0 + 61

How can you tell when x and y are not directly proportional?