Write an equation what number plus 8 equals 12?

(98 points) i need with 5 questions. answer definitions are welcomed, but not necessary.

Write a function that matches the description. a cosine function has a maximum of 5 and a minimum value of -5. f (r) =

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.