Answer:

Step-by-step explanation:

The fact that they are multiples of each other makes it easy.
11 goes into 55 5 times, right?
So
The ratio is 5:1
The answer would be 2.
The difference means you subtract the two numbers.
Absolute value makes the numbers within into a positive number.
The equation would be 8-6=2
Answer
-9
Explanation
Since it is 9+(-18) you can change the equation to 9-18 to make it easier to understand. Therefore 9-18= -9