Answer:
73. 61 degrees
74. x= 31
75. 37 degrees
76. x=27
78. x=96 z=151 y=68
79. x= 66 y=z y and z =88
80. y =43 z=90 x = 71
81= x=95 y=51 z=39
83. g=49 h=117 j=49 m=55 k = 76
84= b=37 a=143 c=37 d=121 e=158 f=22 h=50 g=108
Step-by-step explanation: As far as I can go sorry