a glass is 1/4 full then 24cm3 of orange juice is poured in the glass is now 2/5 full what is the total volume of the glass

For a particular set of atmospheric conditions, the function y z 349 models the frequency, y, in waves per second, of sound waves with a wavelength of y meters a note played on a guitar has a frequency of 440 waves per second. to the nearest centimeter what is the wavelength of the note? centimeters