Solve: 68 – x = 14
( please i really need these super fast thank you! )

Which matrix multiplication is possible?

School has 204 sixth grade students. if the sixth grade is 30% of the total school, how many students are in the middle school?

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.