15 Select the correct answer.
Which equation is true for the value x= 15?
OA 2(x + 3) = 40
OB. 2[x - 5) = 30
OC 2(x + 5) = 40
OD. x + 2x = 30
OE 3x - x = 45
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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