Is 12.9+4 to the square root of 3 irrational or rational

What does the relationship between the mean and median reveal about the shape of the data

What is mean median mode and range?

The line plot below represents the number of letters written to overseas pen pals by the students at the waverly middle school.each x represents 10 students. how many students wrote more than 6 and fewer than 20 letters. a.250 b.240 c.230 d.220