Choose all properties that were used to simplify the following problem: [38 + 677] + (-38)
[677 + 38] + (-38)
677 + [38 + (-38)]
677 + 0
677

additive identity
additive inverse
commutative property of addition
associative property of addition
distributive property

i am currently in the exact same situation rn. algebra2/adv algebra is killing

step-by-step explanation:

1. d.90

2. e. none of these (80)

3. a. 0

4. b. 6

5. e. none of these (10)

6. a. 5

b

step-by-step explanation:

a difference is the result of subtraction. while each of these expressions has subtraction in it, a difference will be the result when subtraction is the last operation applied in the order of operations for the expression. this means subtraction must be outside of the parenthesis. only b has this.

table 3 represents a direct variation function. : )