NEED HELP PLEASE

What is the midline of equation of y = -9 cos(π/2 x – 6) + 8

If f(x)= 3x+6 which of the following is the inverse of f(x)

On saturday a souvenir shop had 125 customers.sixty four percent of the costumers paid with a credit card. how many costumers paid with cash?

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.