Ketchikan is a city in southeastern alaska, measuring 4.35 square miles. according to the u. s. census bureau, ketchikan had a population of 8,250 people in 2012. what was its population density in 2012?

The ruiz family is exchanging euros for us dollars. the exchange rate is 1 euro equals 1.35261 usd. since the ruiz family knows that usd are stated to the nearest hundredth of a dollar, they used the conversion ratio

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Which example describes a mutualistic relationship between organisms? young wasps prey on caterpillars. crabs eat the remains of dead fish. tapeworms feed on food in the intestines of cats ants protect a tree on which they feed.