Can somebody help me out please !

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.

Fast! find the length of cu. the triangles are similar. show your work.

An 18% discount on a watch saved a shopper $72. find the price of the watch before the discount