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Mathematics, 20.06.2019 18:02
Kelly is three years younger than her sister. the sum of their ages is 34 years. how old is kelly and how old is her sister?
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An animal shelter has 21 puppies. if the puppies are 28% of the total dog and cat population , how many dogs and cats are in the animal shelter
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Mathematics, 21.06.2019 19:30
Asurvey of 45 teens found that they spent an average of 25.6 hours per week in front of a screen (television, computer, tablet, phone, based on the survey’s sample mean, which value could be the population mean? 2.3 hours 27.4 hours 75.3 hours 41.5 hours
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Mathematics, 22.06.2019 00:00
Asequence is a function whose is the set of natural numbers
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