Need a bit of help here

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.

Long division the problem is 40 ➗ 348 = ?

Solve each quadratic equation by factoring and using the zero product property. 14x - 49 = x^2