Question

(c) Danny also pulls two cards and says that his SUM is ZERO. What pairs of cards could Danny have pulled? List all correct answers and explain why or show your work. the cards are 1 2 3 4 5
-1 -2 -3 -4 -5

Answer 1

-1 and 1

-2 and 2

-3 and 3

-4 and 4

-5 and 5

because when u subtract the numbers or add you will get 0