Provide an appropriate response.Consider determining how many possible phone numbers are in an area code (repeated numbers allowed). Is this a combination, a permutation, or neither?
A. Combination
B. Permutation
C. Neither
Answer: B
Mathematics
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Use the appropriate rounding rule to answer the question with the correct precision or correct number of significant digits.At the beginning of last year, the population of your city was 372,000. By the end of the year it had increased by 3522 people. What was the population at the end of the year?
A. 375,500 B. 376,000 C. 380,000 D. 375,522
Mathematics
Write the decimal as a fraction. Do not simplify.0.084
A. 
B. 
C. 
D. 
Mathematics
Determine the sign (positive or negative) of the given value without use of a calculator.sin 87°
A. Positive B. Negative
Mathematics
Simplify.
7
A. 
B. 
C. x7y7
D. 
Mathematics