The graph below shows a quadratic function of the form y=ax^2+bx+c
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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.

What’s the answer ? use the picture to see the problem

What is the similarity ratio of a cube with volume 729m^3 to a cube with volume 3375 m^3