-29
The numbers are 27 and -2
125
9 and -2
-79
81 and 9 if you add them. 4 and 25 if you multiply them.
55
45
125
119
-97
25 and 12
1
If you've written that correctly, there aren't two whole numbers that satisfy those conditions. -20 and -5 add to -25, but multiply to 100. -25 and 4 multiply to -100, but add to -21.
15
125
175
-27
169