Brennan is making a poster for the drama club's new production. it is a regular pentagon with side lengths of 12 inches. the school wants to put up a giant replica of the poster during athletic events. if the length of each side is 8 times the original, how many times larger is the area of the replica than the area of the original?

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