Asystem of equations is shown below: equation a: 2c = d − 8 equation b: c = 3d 8 which of the following steps should be performed to eliminate variable d first? multiply equation b by 2. multiply equation a by 2. multiply equation b by 3. multiply equation a by −3.

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