The high temperature one day was -1 f. the low temperature was -5 f. what was the difference between the high and low temperature for the day?

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