Evaluate the cylindrical coordinate integral.
A. 
B. 
C. 
D. 
Answer: A
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Rationalize the denominator.
A. 
B. 8
C. 57
D. 
Solve the variation problem.The distance that a spring is stretched by a hanging object varies directly as the mass of the object. If an object with a mass of 6 kg stretches a spring 30 cm, find the stretch when the object has a mass of 10 kg.
A. 46 cm B. 2 cm C. 6.10 cm D. 50 cm
Which of the following situations would most likely exist if a firm adheres to a moderate current asset investment policy?
A. The firm's level of accounts receivable is greater than its level of accounts payable. B. Once equilibrium is attained, the amount of current assets will equal the amount of current liabilities. C. The firm maintains relatively large amounts of current assets. D. The firm holds minimum amounts of cash and marketable securities, inventories, and receivables. E. The firm maintains a level of working capital that falls between the levels prescribed by the relaxed current asset investment policy and the restrictive current asset investment policy.
Solve.Elissa sells two breeds of dogs, Alaskan Malamutes and Great Pyrnees. She has 112 feet of fencing to enclose two adjacent rectangular dog kennels, one for each breed. An existing fence is to form one side of the kennels, as in the drawing below. Suppose the total length of the two kennels is x feet. Express the total area of the two kennels as a function of x. Graph the function and from the graph determine the value of x that will yield the maximum area.
A. 58 feet
B. 55 feet
C. 
feet
D. 56 feet