Answer is in the file below
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Answer: 
Step-by-step explanation:
See attached image.
Answer: The answer is D. -1, 2, 5, 8
Step-by-step explanation: Arithmetic means Add or Subtract. You are adding 3 to get your next number. If that makes sense?
Answer:
165
Step-by-step explanation:
p(3)=81+27+7(9)-6
81+27+63-6=165
Answer:
(a) x+y=145600, 0.1x+0.18y=20000; (b)
; (c) x=$77600, y=$68000
Step-by-step explanation: