Which sums and all the differences equal 12

Ann and betty together have $60 ann has $9 more than twice betty’s amount how much money dose each have

Compound inequalities. , i’m being timed

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