Describe the set of the Cartesian product A x B, where A is the set of courses offered by the math department and B is the set of math professors. If there are 5 professors and 7 courses how many 2-tuples are in A X B

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