Sin2x + cos3x expand the expression

Can you guys plz answer this question in order and quickly plz i will give 30 points

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.

James was playing a game with his friends. he won 35 points. then he lost 15, lost 40 and won 55. how did he come out