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The length of vibrating air column in closed organ pipe is 4ft.Then the wavelength of the wave is ? What does the number of the solutions of the equations 4x^2 + 4x + 1 tell you and how can you write x^2 - 2x - 7 in completed square form? In addition to previewing the material, which reading strategy can include drawing and evaluating conclusions? Find the amount of heat that is required to warm 115kg of water for your bath by 22 degrees C. Q=? How do I convert Kilograms/m^2 of snow to centimeters?