Solve the problem.An experienced accountant can prepare a tax return in 9 hours. A novice accountant can do the job in 23 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Answer: D
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Solve.The cost of manufacturing a molded part is related to the quantity produced during a production run. When 100 parts are produced, the cost is $300. When 600 parts are produced, the cost is $4800. What is the average cost per part?
A. $7.50 per part B. $9.00 per part C. $10.00 per part D. $0.11 per part
Perform the indicated operations. Express your answer in standard form.Find the difference of -s2 - 8s + 6 and - 9s2 - 3s + 3.
A. 8s2 - 5s + 3 B. -10s2 - 11s + 9 C. 8s2 + 5s + 3 D. 10s2 - 5s + 9
Match the given equation with one of the graphs.4x2 + 25y2 = 100
A. 
B. 
C. 
D. 
Let 
and let S be the cylinder 
, 
. Verify the Divergence Theorem by evaluating
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?
?
A. ?
B. 
C. 
D. 
E. 