If 3 ounces of medicine must be mixed with 9 ounces of water, how many ounces of medicine must be mixed with 16 ounces of water

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.