In 8–10, a teacher gave a test with 50 questions, each worth the same number of points. donovan got 39 out of 50 questions right. marci's score was 10 percentage points higher than donovan's. 8. what was marci's score? explain. 9. how many more questions did marci answer correctly? explain. 10. explain how you can check your answers for reasonableness. answer soon !

Christina can paint 420 square feet in 105 minutes. which unit rate describes the scenario?

The annual snowfall in a town has a mean of 38 inches and a standard deviation of 10 inches. last year there were 63 inches of snow. find the number of standard deviations from the mean that is, rounded to two decimal places. 0.44 standard deviations below the mean 2.50 standard deviations below the mean 0.44 standard deviations above the mean 2.50 standard deviations above the mean

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.