Find the product of the complex number and its conjugate.
1 + 2i

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.

What is a possible solutions of the x> 3?

The measure of one angle of an octagon is two times smaller that of the other seven angles. what is the measure of each angle?