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Does anyone know of a quizlet or something for edmentrum /plato algebra 1

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.

Interpret the following expression (5y^2-7)^3/(2y)^2