Find the mean. Round to the nearest tenth when necessary.The numbers of calls from telemarketers Lori received over the last seven weeks were as follows: 16, 9, 7, 11, 7, 4, 4
A. Mean = 7.8 calls
B. Mean = 9.7 calls
C. Mean = 8.3 calls
D. Mean = 9.8 calls
Answer: C
Mathematics
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The gross domestic product (GDP) of a certain country is projected to be
?
?
billion dollars t yr from now. What will be the rate of change of the country's GDP 3 yr from now?
?
A. $10 billion/yr B. $13 billion/yr C. $15 billion/yr D. $11 billion/yr
Mathematics
Write the percent as a simplified fraction or mixed number.13
%
A. 1366
B. 
C. 136
D. 6
Mathematics
Simplify using the quotient-to-power rule.
4
A. 
B. 
C. 
D. 
Mathematics
Add and simplify. Write the answer as a mixed number as needed.
hr + 
hr + 
hr
A. 9
hr
B. 9
hr
C. 9
hr
D. 9
hr
Mathematics