The freezing point of water is 32 f. tim added potassium and found out that the freezing point went down by 8 f. what was the freezing point of the water with the added potassium

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