6cups of nuts u have 4 pkgs with 2/3c in each how many more nuts do you need to get

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.

Which of the following parabolas opens down?

Which graph has a rate of change of zero