X 16 28 44 y 8 14 22

determine whether y varies directly with x. if so find the constant of variation and write the function rule.

What is the value of the expression below? (81^2)^1/8

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.

Plz hurry evaluate the expression a+b where a=8 and b=19