Answer:
Step-by-step explanation: was the same same here and I got
Answer: 
Step-by-step explanation:
It is important to remember that:
- Integers contains the positive numbers (+), negative numbers (-) and zero.
- The numbers greater than zero are Positive Integers.
- The numbers less than zero are Negative integers.
- An integer and its opposite have the same distance from zero, but they are located on opposite sides of the number line.
In this case we know that
is a Positive Integer, therefore, based on the information mentioned before, we can say that its negative (or its opposite) is:

No
the sum of the 2 smaller should be bigger than 11
2+8=10
10 is not bigger than 11
Answer: 18 different combinations
Step-by-step explanation: When finding out combinations, you just multiply all the numbers. In this case, it would be 3x2x3 which equals 18. Please mark brainliest <3