Answer: 5
Step-by-step explanation: itswhere the 2 lines meet at the X
Well, you have to be given an interval. That is not an interval.
You should be given something like

If you add those fractions up you'll just get a point on the number line.
Find the LCD for all of them which is 9/6 - 4/6 + 3/6 = 8/6 = 2/3
You'll end up with a point on 2/3
4 + 4 + 4 - 1 = 11? Was it supposed to be an equation? I am confused.
The pattern is multiplying by 3. So it will be: 243, 729
The greatest common factor is 2