What is the interquartile range (IQR) of {11, 7, 31, 3, 2, 37, 41, 23}?

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.

For the equations below which statement is true ? -2x=14 6x=-42

Polynomial that can be factored as (3x-4)(3x+4)