Multiply (2x + 5)(5x + 10). a. 1 b. 10x² + 50x + 45 c. x² + 45x + 50 d. 10x² + 45x + 50

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.

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What function has a range {yly< 5}? question on picture above^