In the diagram below, semi-circle C has a radius of 11 inches. Point A lies on the semi-circle such that the length of chord AB is 18 inches. Which of the following is closest to the measure of ZBDA? 1) 35 degrees
2) 39 degrees
3) 51 degrees
4) 55 degrees

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.