Hannah is writing a mathematical argument to show how she calculated the perimeter of a pentagon. which data display is the most appropriate for her argument? a. graph of the relationship between number of sides and perimeter b. list with the length of sides of a pentagon c. diagram of a pentagon with each side labeled d. table showing the number of sides

Ur environment is very sensitive to the amount of ozone in the upper atmosphere. the level of ozone normally found is 4.04.0 parts/million (ppm). a researcher believes that the current ozone level is not at a normal level. the mean of 2525 samples is 4.44.4 ppm with a standard deviation of 0.80.8. assume the population is normally distributed. a level of significance of 0.020.02 will be used. make the decision to reject or fail to reject the null hypothesis. answer tables