In the barn there are horses and chickens there are 11 heads and 32 legs altogether how many horses are there

Which of the following system of equation is not equal to the system of equations is not equal to the system of equations shown 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.

The amount spent on food and drink by 20 customers is shown below what is the modal amount spent ?