Answer:
-2
Since b = -2, the y intercept is -2.
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
Answer: I think tHt is not because if they were to be 5 pants then it would be reaseanoble
Step-by-step explanation: