Answer:
The Associative Properties of Addition
Step-by-step explanation:
The associative property of addition tells us that numbers' order can be switched around without altering the final result.
Answer:
1
Step-by-step explanation:
none of there factors are the same except 1
Answer:
C. 189
Step-by-step explanation:
Each triangle is 27 which makes it 108, and 108+81=189
