Which shows the expressions rewritten with the least common denominator? 7x-2/4x^2 and x-1/8x

A. 28x-8/16x^2 and 2x^2-2x/16x^2
B. 14x-4/8x^2 and 2x-2/8x^2
C. 28x^2-8x/16x^3 and 2x^3-2x^2/16x^3
D. 14x-4/8x^2 and x^2-x/8x^2

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