Can someone help me with this pls it's urgent

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.

Can someone me with this problem . show your work .

Anna is constructing a line segment that is congruent to another segment ab. for the construction, which tool should be used to mesure segment ab