The volumetric efficiency of a certain engine is ​87.7%. This means the actual airflow is ​87.7% of the theoretic airflow. If the actual airflow is 285.2cfm​ (cubic feet per​ minute), what is the theoretic airflow of this​ engine?

Alake near the arctic circle is covered by a 222-meter-thick sheet of ice during the cold winter months. when spring arrives, the warm air gradually melts the ice, causing its thickness to decrease at a constant rate. after 333 weeks, the sheet is only 1.251.251, point, 25 meters thick. let s(t)s(t)s, left parenthesis, t, right parenthesis denote the ice sheet's thickness sss (measured in meters) as a function of time ttt (measured in weeks).

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Question 5 spring semester final exam math evaluate