Look at picture, thanks

The median of a data set is the measure of center that is found by adding the data values and dividing the total by the number of data values that is the value that occurs with the greatest frequency that is the value midway between the maximum and minimum values in the original data set that is the middle value when the original data values are arranged in order of increasing (or decreasing) magnitude

If a flying disk is 139 meters in the air and travels at an average of 13 m/s how long is it in the air

The dash figure is a dilation if the original figure. find the scale factor. classify the dilation as an enlargement or a reduction