The flower shop displays a different number of roses in the front window every month. It displayed 25 roses in November, 75 roses in December, 225 roses in January, and 675 roses in February. What kind of sequence is this?

Anyone? 15m is what percent of 60m; 3m; 30m; 1.5 km?

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

3.17 scores on stats final. below are final exam scores of 20 introductory statistics students. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 57, 66, 69, 71, 72, 73, 74, 77, 78, 78, 79, 79, 81, 81, 82, 83, 83, 88, 89, 94 (a) the mean score is 77.7 points. with a standard deviation of 8.44 points. use this information to determine if the scores approximately follow the 68-95-99.7% rule. (b) do these data appear to follow a normal distribution? explain your reasoning using the graphs provided below.