The Shang Dynasty had several contributions to history. One of the most important and notable contribution was writing.
Answer:
24. -2l+6
Step-by-step explanation:
I am not Sydney, but I hope I can answer this question. We know that one sign equals 6 movies, so 18/6=3. B would be your answer.
You could interpret them as system of equation and answer the question easily
from A
-4x + y + x + w =1
write in same form from A
as this system has five variables and four of them are unknowns it means the unique solution is not possible
So, det (A) = 0