Answer:
The Waltz
Explanation:
The biggest revolution in mid-nineteenth-century social dancing was the growing popularity of the waltz, danced in triple meter.
Stephanie Courtney has been advertising as Flo for Progressive Commercials since 2008.
Metronomes can be useful for improving chord changes
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The numbers in the choices are wrong, but it would be 90 x (48+50)
C is the closest
