Which equation is true a/9x^2-25=(3x-5)(3x-5) b/9x^2-25=(3x-5)(3x+5) c/9x^2-25=-(3x+5)(3x-5) d/9x^2-25=-(3x+5)(3x-5) i need the answer and if you : ))

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.

Two lines parallel to a third line are parallel to each other. always sometimes or never

Solve the equation below: (x+4)/6x=1/x a. x=2 b. x=0,2 c. x=-2 d. x=0,-2