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Kazeer [188]
3 years ago
15

Please Help.. !! I attached pictures

Mathematics
1 answer:
quester [9]3 years ago
5 0
Number 4 is c because 9x9 is 81 and -9x-9=81

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It took Mary 40 minutes to run 8 laps around the playground, if she spent the same time running each lap, how long would it take
Sergeeva-Olga [200]

Answer:

it should take her 45 minutes to run 9 laps

Step-by-step explanation:

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8 0
3 years ago
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Brilliant_brown [7]

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3 0
3 years ago
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