Answer:
n
Step-by-step explanation:n
I have no idea math should have been working hade books bye sorry
Answer:
I'm guessing the opposites are negative and positive so whenever you add two opposite numbers it will always be 0. The answer will always be 0.
For example:
-3 + 3 = 0
4 - 4 = 0
-15 + 15
Addition,subtraction,and multiplication
It’s 30 months because 2.5 years old times 12 months in a year is 30
