8
-17
The numbers are: 80 and -20
-32
The average. Add all the numbers together and divide that by how many numbers there are. Example: 6,2,3,4,5. Added together equals 20. Divided by all of the numbers (5) equals 4. Your answer would be 4.
45
If you're talking about which two prime numbers added together equals to 19, then the answer is 2 and 17. They are both prime numbers, and they add up to be 19.
-40
36
There are several prime numbers that add up to 144 and of it is 71+73 =144
41 plus 3 equals 44. You add the two numbers together to get the answer.
-1
Its when you add all the numbers together