Answer:
So, the step1 is correct.
Step-by-step explanation:
The expression is

So, the step 1 is correct.
Answer:
The answer is in step-by-step explanation
Step-by-step explanation:
3 x + y + 3 z = 4
4 x - y + 2 z = 5
x - 2 y - z = 0
Answer:
a. Revenue is the amount of income earned before paying costs of production, while profit is the financial benefit gained after paying costs of production.
Step-by-step explanation: