Respuesta :
an additive inverse is when 2 numbers added together equals 0
so C and D are additive inverses.
Because :
C. 12 - 12 = 0
D. -9 + 9 = 0
so C and D are additive inverses.
Because :
C. 12 - 12 = 0
D. -9 + 9 = 0
Answer:
C. The outside temperature increases 12 degrees from the morning to the afternoon, and then decreases 12 degrees from the afternoon in to the evening.
D. A diver descends 9 feet and then ascends 9 feet.
Step-by-step explanation:
I hope this helps! :D