The dot plots below show the scores for a group of students for two rounds of a quiz Which inference can be made using the dot plots There is no overlap between the data
Round 1 scores were higher than round 2 scores
Round 2 scores were lower than round 1 scores
The range of round 1 is smaller than the round 2 range

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.

Factor this polynomial completely x^2-64

What percent of the circle below is shaded?