Which of the following uses a variable to represent a person, place, or thing
that is unknown?...
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Mathematics, 26.02.2020 01:45 halllawson
Which of the following uses a variable to represent a person, place, or thing
that is unknown?
O
A. a B+ grade
O B. Mr. X
O
c. a C-sharp on the piano
D. apartment 12A
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