A phone company charges for service according to the formula: C ( n ) = 30 + 0.02 n , where n is the number of minutes talked, and C is the monthly charge, in dollars. The slope in this equation is:

The vertical intercept in this equation is:

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