Does this integral 
= x2ex - 2(xex - ex) + C?Enter "yes" or "no".
Fill in the blank(s) with the appropriate word(s).
"yes"
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Multiply.
? 
A. x + 2
B. 
C. 
D. 
Find the volume generated by revolving about the x-axis the regions bounded by 
x = 0 , and x = 10 .
What will be an ideal response?
Multiply.-8(-4)
A. -32 B. -24 C. 22 D. 32
Safety-Kleen operates the world's largest oil refinery at Elgin, Illinois. You have been hired by the company to determine how to allocate its intake of up to 70 million gallons of used oil to its three refinery processes: A, B, and C. You are told that electricity costs for process A amount to $150,000 per million gallons treated, while for processes B and C, the costs are respectively $100,000 and $50,000 per million gallons treated. Process A can recover 60 percent of the used oil, process B can recover 55 percent, and process C can recover only 50 percent. Assuming a revenue of $4 million per million gallons of recovered oil and an annual electrical budget of $4.9 million, how much used oil would you allocate to each process in order to maximize total revenues?
? Allocate __________ million gals to process A, __________ million gals to process B and __________ million gals to process C. What will be an ideal response?