Answer:
16. q
17. -4
18. 0
Step-by-step explanation:
16. q
17. -4
18. 0
<h3>
Answer: 96</h3>
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Work Shown:

Answer:
1/72=x (part a)
1/70=x (bart b)
Step-by-step explanation:
Divide 1 by 72 for part a, and divide 1 by 70 for part b.