The answer is 1.
EXPLANATION
The commutative property of multiplication states that two numbers can be multiplied in either order.
Answer:

Step-by-step explanation:
Complete question is given below
Add:-
ab-bc+ac,bc-ca+ab,ca-ab-2bc
We have to find the result after addition
Now, adding all expression
We get

Combine like terms then, we get


Hence,
no
no because maynor rode 2 miles every 4 minutes and paul rode 3 miles every 4 minutes. not the same
Answer:
-3(4+2n) multiply -3 by 4 and 2n
-12-6n