Answer:

Step-by-step explanation:
Given
--- [Missing in question]
Required
Select equivalent expression

Associative property states that:

In this case:



So, we have:


B. is correct
It is very hard question I don't no
Answer:
20,000
Step-by-step explanation:
7x+20 = 5x+100
2x = 80
x=40
5(40)+100=20,000
-- least common multiple of 36, 6, 3 = 36
- it is the smallest number divisible <u>by all three. </u>