Spiral review (reviews 2.g. a.1, 2.g. a.3, 3.0a.0.9)
3. what property describes the number
sentence?
6 + 0 = 6

The Identity Property

Step-by-step explanation:

The identity property for addition tells us that zero added to any number is the number itself. Zero is called the "additive identity." The identity property for multiplication tells us that the number 1 multiplied times any number gives the number itself.

hello from mrbilldoesmath!

answer:

x - 3

discussion:

x^2 - 9 = (x-3) (x+3)   so

(x^2-9)/ (x + 3) = x-3

you,

mrb