Which of the Following Are Properties of the Convolution Integral $f *\left(g^{*} h\right)=(f * g)^{*} h$

Multiple Choice

Which of the following are properties of the convolution integral, for all continuous functions f, g, and h? Select all that apply.

A) $f *\left(g^{*} h\right) =(f * g) ^{*} h$
B) $f^{*} f \geq 0$
C) $f^{*} 1=f$
D) $f * g=g^{*} f$
E) $f *(g+h) =f * g+f * h$