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There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

Terri makes a quilt using three sizes of fabric squares the side lenght of each fabric square is the square root of the area

Asphere has a diameter of 10 in. what is the volume of the sphere?