Need help with growth of the pattern, number of tiles in figure 0 and pattern equation

What is the equation of a line passing through the point (6,1) and parallel to the line whose equation 3x=2y+4

The american academy of pediatrics wants to conduct a survey of recently graduated family practitioners to assess why they did not choose pediatrics for their specialization. provide a definition of the population, suggest a sampling frame, and indicate the appropriate sampling unit.

1.based of the diagrams what is the the value of x? 2.how would you verify your answer for x