I think 6 because 12=3x-6
#8 is kind of a handful. But if you just look at what 'y' is doing as 'x' increases ... no matter where you look, 'y' is always decreasing whenever 'x' increases, so that's certainly not a 'direct' relationship.
#9 is correct. Good work.
It would be $8.00 anybody would know that well if they have a brain they would know
