30
7 and 8
There's an infinite number of numbers that can be added to form 50.
There is an endless list of numbers that add together to give 175, an example is 75+60+40.
There isn't an answer to this. The factors of 5 are 1 and 5. Added together are 6.
43
15
16 and -3 are the numbers which gives -48 when multiplied and 13 when added
No two prime numbers satisfy that request.
20
-127
-936
-117
4760