What is 9 2/6 - 6 5/6

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.

12 out of 30 people chose their favourite colour as blue caculate the angle you would use for blue on a pie chart

Match the one-to-one functions with the graphs of their inverse functions.