Provide an appropriate response.When using the counting rules to count the number of possible outcomes, the combinations formula can be used in which of the following situations?
A. When repetitions are allowed and the order of arrangement is important
B. When repetitions are allowed and the order of arrangement is unimportant
C. When repetitions are not allowed and the order of arrangement is unimportant
D. When repetitions are not allowed and the order of arrangement is important
Answer: C
Mathematics
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A. xy - 
B. y
+ x
C. y
- x
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- y
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A. 
B. 
C. 
D. 
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A. -4z B. -3z + z C. -3z D. -2z
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Find the absolute value.
?
Fill in the blank(s) with the appropriate word(s).
Mathematics