Answer:
10x + 9
Step-by-step explanation:
-1 - (-10x - 10)
Distribute.
-1 + 10x + 10
10x + 9
A because, all the numbers multiplied by those factors equals their spot in the number
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Answer: 40
Step-by-step explanation:
Answer:
four n squared divided by 7
Step-by-step explanation:
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