Answer:
-x - 3y + z
Step-by-step explanation:
Think of a imaginary 1(-1 because of the sign) in front of the parenthesis and distribute it to the other number and so x will become -x, 3y will become -3y and -z will become z because two negatives make a positive.
The answer to the question
Yes it is because none of the x are the same number making it a function.
I would don't really have the answer to this question maybe try rewording it
Answer:
50
Step-by-step explanation:
30 divided by 0.6 equals 50
hope i helped
