Answer:
A. Not all students have a chance to speak each day
Explanation:
By setting a time limit for each student, a class can be arranged so everybody has their turn to speak. In that way, they might speak less, but nobody will be left outside of the conversation.
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Answer:
Variable expense
Explanation:
the milk becomes a variable expense because it doesn't have a fixed amount. it could be 2 or 3 or 4 or 1 depending on the number of persons having breakfast everyday over the course of the week but not 5.
if 5 milks are purchased day-in, day-out, the milk would be afixed expense but that isnt the case here.
the term variable expense ffrom the name means an expense that changes or varies from time to time
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