Answer:
70. 0
71. -54
72. 12
73. 86
74. 59
Step-by-step explanation:
To evaluate an expression, substitute specific values for the variables and simplify using Order of Operations.
70. c-3d becomes

71.
becomes

72.
becomes

73.
becomes

74.
becomes

All your doing here is 37-19 adding negative is the same has munising
So 37-19=18
You gotta divide $6.45 and 3 together to find the answer
Answer:

Step-by-step explanation:
x=140°
m || n