Respuesta :

number 4 is 31. number 7 is 1. number 8 is 21. number 9 is 64. number 10 is 29. number 12 is 38. vote me brainliest please
1. (-50) - 46 = -96 [add, then get the bigger number that is positive or negative.]
2. 28 - (-3) = 31 [ KCC (Keep, Change, Flip), then add.]
3. 25 - 24 = 1 [just subtract.]

You should know how to the rest.