Answer: investigate which items are selling well and which are selling poorly
Explanation: investigate which items are selling well and which are selling poorly took the test
Guido d'arezzo contributed to the development of musical notation. Option B. This is further explained below.
Who is Guido d'arezzo ?
Generally, Guido d'arezzo aka Guido d'Arezzo, was an Italian High Medieval music theorist and educator who lived from from 991 to 1033.
In conclusion, He was a Benedictine monk who is widely recognized as the creator of the current staff notation, which profoundly impacted the evolution of Western musical notation and practice.
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Answer:
I'm fine with my living style not happy not unhappy,
I got many things I need, not all but everything which is essential for living.
I cannot wear the type of dress it like, or like anything I want to do is not correct here according to people and society.
Through the stability of elements on either side of an imaginary line.
