Which explicit formula describes the sequence -9,-3,3,9,15...? A) an = 6n + 15
B) an = 6n - 15
C) an = 9n - 6
D) an = 9n + 6

Will make ! for correct answer the dot plot below shows the number of toys 21 shops sold in an hour.is the median or the mean a better center for this data and why? a. median; because the data is not symmetric and there are outliersb. median; because the data is symmetric and there are no outliersc. mean; because the data is symmetric and there are no outliersd. mean; because the data is skewed and there are outliers