Obtain the time-average autocorrelation function of the signal x(t)=3 6cos(20πt) 3sin(20πt) and obtain the power spectral density of the signal. What is its total average power?.

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Gail is making costumes for a school play. each rabbit costume needs one and one half yards of white fur fabric, a yard of blue striped fabric, and a quarter of a yard of pink felt for the ears. g? ail needs to make eight rabbit man yards will she need, for the white fur fabric, blue striped fabric, and pink felt?

What is the frequency of the sinusoidal graph?