Guys I need help: In which set of ordered pairs, ( x , y ) , is y NOT a function of x? A. { ( 6 , 6 ) , ( 1 , 1 ) , ( 4 , 4 ) } B. { ( 1 , 4 ) , ( 6 , 4 ) } C. { ( 6 , 1 ) , ( 1 , 6 ) , ( 1 , 4 ) } D. { ( 1 , 4 ) , ( 4 , 1 ) }

7friends share 4 pizzas equally how much pizza did each friend get

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.

Which matrix multiplication is possible?