8:30 to 12:30 is 4 hours, 12:30 to 5:30 is 5 hours. So, the total hours is
4 + 5 = 9
9 hours
The square root of 1/9 is 1/3 and it is a Rational Number.
Answer: 10
Step-by-step explanation:
it is the middle of all the numbers
Answer:
The last one I believe
Step-by-step explanation: