There are infinitely many answers:
... (-2, 44), (-1, 43), (0, 42), (1, 41), (2, 40) etc
then
... (-1.9, 43.9), (-0.9, 42.9), (0.1, 41.9), (1.1, 40.9), (2.1, 39.9) etc
and so on with .2, .3, etc
then decimals to 2 digit, 3 digits, and so on.
44
-31
220
Average is 41 so numbers are 39½, 40½, 41½ and 42½If you meant to put consecutive even numbers then 38, 40, 42 and 44
-35
23 and 19 are both prime numbers and they add up to 42.
42 = 20 + 22
Both numbers add up to 42
44
45
-31
They are 41, 42 and 43.
13, 14, 15
They are: 6 and -7
Oh, dude, you're hitting me with the math questions? Alright, so the numbers that multiply to 441 are 21 and 21, and when you add them up, you get 42. It's like a math riddle, but not really a riddle because it's just multiplication and addition. Cool, right?
12 10 10 10
220