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Marysya12 [62]
3 years ago
7

Homework help please I'll give you 10 points and brainliest

Mathematics
1 answer:
DaniilM [7]3 years ago
6 0

Answer:

c)

Step-by-step explanation:

Use 49 instead of 14 for 7²

Reason: 7² = 7 * 7 = 49

Not 14 as 7*2 = 14

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Here are some formulas...
percent increase = (new number - original number) / original number...* 100
percent decrease = (original number - new number) / original number...* 100
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percent increase = (90 - 75) / 70....* 100
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