Which measure of center best describes the data, the mean or the median?

Which statement about the relative areas of δabc and δxyz is true? the area of δabc > the area of δxyz the area of δabc < the area of δxyz the area of δabc = the area of δxyz more information is needed to compare.

15m is what percent of 60m; 3m; 30m; 1.5 km? the last one is km not m

Which of the following best describes the delian problem?