Answer:
I believe that it is D
Step-by-step explanation:
A is wrong...
B is wrong (I believe)...
C is wrong...
So D is the only answer choice left.
The sixth number should be 16 in order for the mean to be 12
They both have the same variable(s) and equal the same thing
I don't know what your looking for, so be more specific, but I'm assuming your solving for x, so that's would be
x = -1
