Identify the missing angle measurement in each set of supplementary angle

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.

You can find the constant of proportionality by finding the ratio of

Is ofat (-25, 0), (25, 0) co- (0, -15), (0, 15)?