An non-example of a independent variable is how much money you make selling cookies , because it depends on the number of cookies you sell .
I don't understand. What are the values given? Are they values of an x,y plot?
If you plot them they are a straight line with y =6x - 2.9 but I don't know what you mean by when x=3 and y = 4?
The answer is A because I said so
