Can someone please help me with #19,#20,#22,#23,and #24 of the naming and segment addition #2 assignment?

[tex]ji = 14 - (6 + 5) = 14 - 11 = 3[/tex]
[tex]ig = 11 - 8 + 2 = 11 - 6 = 5[/tex]
[tex]ac = 10 - 5 + 4 = 9[/tex]
[tex]st = 10 - 4 - 5 = 1[/tex]
[tex]ij = 11 - 1 - 4 = 6[/tex]