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it costs $2.55 to make a sandwich at the local deli shop. to make a profit, the deli sells it at a price that is 140% of the cost. the sandwich sells for $

Initially 100 milligrams of a radioactive substance was present. after 6 hours the mass had decreased by 4%. if the rate of decay is proportional to the amount of the substance present at time t, find the amount remaining after 24 hours. (round your answer to one decimal place.)

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Which function represents the sequence? f(n)=n+3 f(n)=7n−4 f(n)=3n+7 f(n)=n+7