No two of those numbers add to 17.
No, no two of the numbers : 6 13 2 12 7 14 can be added up to produce 17.
Nope
No pair of the numbers in that list have a sum of seven.
39
-31
Pairs of numbers whose sum is -14 and that are factors of -189 include -7 and -7, and -21 and 7.
No
137 and 11 are two prime numbers that add up to 148.
11 and 3
I Don't know go to school stupid
None of the factor pairs of 120 add up to -14. If that was -120, you could use -20 and 6.
62.5 and 37.5
yes
50 and 45
None. Any two odd numbers add up to an even number.
A similar rule is to check if two numbers add up to more than 5.