Sal has two job offers. Firm A starts at ​21,000$ per year and guarantees raises of ​1400$ per​ year, whereas Firm B starts at ​23,000$ per year and guarantees raises of ​800$ per year. Over ​9-year ​period, determine the more profitable offer.

Pranza plotted point a in the coordinate plane below.

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.

Your friend uses c=50p to find the total cost, c, for the people, p, entering a local amusement park is the cost of admission proportional to the amount of people entering the amusement park? explain.