IF THE AVERAGE MAN'S has a mass of 77 kg Find, approximately, how many men together have a mass of 1 tonne ​

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.

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left

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