Solve the problem. Round your answer, if appropriate.The volume of a sphere is increasing at a rate of 6 cm3/sec. Find the rate of change of its surface area when its volume is 
cm3. (Do not round your answer.)
A. 
cm2/sec
B. 12? cm2/sec
C. 3 cm2/sec
D. 2 cm2/sec
Answer: C
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Perform the indicated operation.2
- 5
A. -45
B. 45
C. -5
D. 5
The boxplot represents a comparison of the annual salaries of a group of public and private employees
Determine the five-number summary and IQR for the salaries of the public employees.
A. Min = $48,000, Q1 = $60,000, Median = $76,000, Q3 = $80,000, Max = $100,000, IQR = $20,000 B. Min = $20,000, Q1 = $40,000, Median = $60,000, Q3 = $72,000, Max = $84,000, IQR = $32,000 C. Min = $40,000, Q1 = $48,000, Median = $60,000, Q3 = $72,000, Max = $80,000, IQR = $24,000 D. Min = $20,000, Q1 = $40,000, Median = $60,000, Q3 = $66,000, Max = $82,000, IQR = $26,000
Provide an appropriate response.The following table lists the population change over a 20-year period for selected countries. Which of these countries had the largest increase in population during this period? 
A. X B. W C. Z D. Y
Complete the identity.
= ?
A. 2 sin (5?) sin (2?) B. 2 sin (10?) C. tan (2?). D. 2 cos (5?) sin (2?)