Find the length of side A

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.

Asystem of equations has 1 solution. if 4x-y=5 is one of the equations , which could be the other equation ?

    choose the correct definition for  extremo.  a.  end      b.  extra      c.  extract      d.  eventual