Which of the following statements are true? check all that apply

The median is less affected by outliers and skewed data than the mean, this is because in the calculation of the mean the outliers and the skewed data points are usually incorporated in the calculations. therefore, the mean is affected by outliers, thus median is usually the preferred measure of central tendency when the distribution is not symmetrical. thus the correct answer is.
the ouliers may influence a lot on thee mean and less in the median. so, the mean is not better than the median when there are outliers.

B, 0.4 repeats so it is rational and square root of 16 is 4 so that is rational as well.

20y5 times 2 is 1010 times -2 is -20, plus y