That is the definition of a irrational number, A rational number must be able to be written as a ratio of 2 integers. The denominator cannot be 0, because that would make the number undefined
Your answer would be (-1,-6)
Answer: 1/18 or .056
Explanation: There are 5 perfect squares between 1-30. (1,4,9,16,25) 5/30=1/6. The probability of getting a T in TARGET is 2/6=1/3 1/3*1/6=1/18