Write the series in expanded form.
Š (n − 3)(n+ 2)
7
=0
-6-6-2+0
-6-6-4 +0
-6-4-4-2
6- 4 – 4 +0

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