Após um vazamento de residuos tóxicos em um lago, mediu-se uma quantidade de poluentes na água no decorrer do tempo e obteve-se 60mg/litro no dia do vazamento (t=0), sendo que dia a dia a taxa
percentual de decaimentos dos poluentes é 3%.
Sendo Q a quantidade de poluentes t dias após o vazamento, obtenha Q=F(t)
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There is only one copy machine at your office. you have to make 1000 copies of an expense report. after you begin copying, two other employees show up in the copy room. each has to make only 10 copies each. what is the proper etiquette in this situation?

Andrew feels good about himself. he doesn't know exactly why he is so happy, but every day he looks forward to his schoolwork and chores. "i play a game," he says. "i make a list of everything i have to get done, and then i try to finish it all before a certain time. for some reason, i feel great when i beat my time." based on this information, why is andrew happy? he gets a proper amount of sleep he eats healthy meals he has a strong family support group he regularly meets his own goals

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