It is: 110 cm minus 95 cm = 15 cm
If you mean the difference between -11 and 2*(-11), then it's 11.
11
11
It doesn't actually mean difference, but it can be used to get the difference between values. 11 subtract 4 is 7, and 7 is the difference between 4 and 11.
50 - 11 = 39 The difference between the two is therefore 39 centimetres.
4
11...
The difference is 11 hours.
-11
28
The difference is 28 + 11 = 39 degrees.
The maximum time difference between London and Melbourne, the difference between GMT & AEDT, is 11 hours.