Ineed on number three all the info is on the page so plz me

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.

Sam claims that cos x =sin y if x and y are congruent angels. is sam correct ?

The verbal translation for the difference of m and 7 increased by 15