The answer would be D: The mean and median both stay the same.
Your answer would be 4.
If we substitute in x = -8 and y = -4 into the expression, we get:

This then becomes:
=
= 4.
I hope this helps!
It is -8y+12
You have to multiply 4 by -2 which equals -8
Then you do 4x3 which equals 12
Answer:
The mean is 20
Step-by-step explanation:
17+19+21+23=80
80 div 4 = 20