Which line plot correctly shows the difference between the longest and shortest practice times as one and one over four hours? a A line plot titled 'Piano Practice Times.' The bottom label is time in hours. The numbers on the line are zero, one fourth, one half, three fourths, one, one and one fourth, one and a half, one and three fourths, and two. There are two marks above three fourths, one mark above one, three marks above one and a fourth, and one mark above one and a half. b A line plot titled 'Piano Practice Times.' The bottom label is time in hours. The numbers on the line are zero, one fourth, one half, three fourths, one, one and one fourth, one and a half, one and three fourths, and two. There is one mark above one half, two marks above three fourths, one mark above one, two marks above one and one fourth, and one mark above one and three fourths. c A line plot titled 'Piano Practice Times'. The bottom label is time in hours. The numbers on the line are zero, one fourth, one half, three fourths, one, one and one fourth, one and a