Which property is being used here? -7 + 7 = 0

1) Additive Property of Opposites

2) Multiplication inverse property

3) Distributive property

4) Associative Property of Addition

Please help

x=17

step-by-step explanation:

solve 3x-24=x+10

then that makes it 2x=34 because you subtract an x from both sides to get rid of the one on the right, and then you add 24 to both sides to get rid of the 24 on the left

divide by both sides by 2 to get your answer so that you can get your answer

no not all of them.

step-by-step explanation:

some of them have a square base.

14.3

step-by-step explanation:

add all the numbers together.

9 + 12 + 15 + 16 + 17 + 17 = 86

now, divide 86 by how many numbers we have: 6.

86 / 6 = 14.3

c

step-by-step explanation: