In the function Y=1/2x^2, please select all of the points that fall on the graph. A) (0,1)... B) (1,1)... C) (2,2)... D) (-1,1/2) C) (-2 , 1)

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