A: -12
B: 12
C: 20
D: -20
I picked -20 but I'm not sure if it's right
What do you mean "you picked" -20 ????
We don't "pick" answers in math ! We perform the proper steps to get the correct result
-4 + 16
= 16 - 4
= ....
In a game you are up 16, then you lose 4.
What have you got ?