Please help me find the slope of the line which one would it be ? :) and why

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.

If private savings 'v' = 0.75s and total savings 's' equals $4.20 billion, solve for public and private savings.

Elena is paid a constant rate for each hour she works. the table shows the amounts of money that elena earned for various amounts of time that she worked.