Bonjour , pouvez vous m'aidez pour mes exercices de mathematiques vous gagner 20 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.

If sr is 4.5cm and tr is 3cm, what is the measure in degrees of angle s?

1. if events a and b are non-overlapping events, how do you find the probability that one or the other occurs? 2. what does it mean if p(a or b) equals 1?