What is the additive identity of -9 ?

The additive identity of -9 would be 0

Step-by-step explanation:

The sum of any number with additive identity would end up being itself. So if two numbers are additive inverses, then they would add to give the sum of the additive identity (0).

Hope this helps you. Have a great rest of your day as well.

the answer is d

step-by-step explanation:

saving = more money

step-by-step explanation:

if you have 100 bucks, and you want to buy a candy bar, even if you have one at home, if you choose not to buy it, you save.

~courtney