I need help imm struggling ​

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.

Which expression gives you the distance between the points (5,1)and(9,-6)

If olu is twice as old as funmi if the sum of their ages is 60 how old is olu