One hundred 50 cent coins have a mass of 690g. what is the mass of one 50 cent coin?

The graph of a line gets what as the value of the slope gets bigger

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.

Planning for the possibility that your home might get struck by lighting and catch on fire is part of a plan for ?