Which of the following statements are true? Select all that apply. A. x = y B. x + y = 180 C. y = z D. x + z = 180

Compare these two waves: the blue and orange waves have the same pitch, but the blue wave is louder. the blue and orange waves have the same volume, but the blue wave has a higher pitch. the orange wave has a higher pitch, but the blue wave is louder. the blue wave has a higher pitch, but the orange wave is louder.

I'm confused on this could anyone me and show me what i need to do to solve it.

For g(x) = 5x - 3 and h(x) = [tex]\sqrt{x}[/tex], find (g · h)(4)