In which of the following cases is the slope of a line posit
     In which of the following cases is the slope of a line positive and less than infinity?  As the variable measured on the x-axis decreases, the variable measured on the y-axis decreases.  As the variable measured on the x-axis increases, the variable measured on the y-axis decreases.  As the variable measured on the y-axis increases, the variable measured on the x-axis does not change.  As the variable measured on the y-axis increases, the variable measured on the x-axis decreases. 
  
  Solution
As the variable measured on the x-axis increasesthe variable measured on the y-axis decreases.

