3) which set of ordered sidered pairs is Not a function? A) {(1,3), (3, 3), (4,5), (5,6) B) (3, 1), (2, 1), (1, 2), (3, 2)
c) (4,1), (5, 1), (7,1), (8, 1)}
D), (0,0)
(1, 1), (2, 2), (3,3)}

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