Multiply.
A. 
B. 
C. - 
D. - 
Answer: A
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Solve the problem.Find the volume of the solid that is generated by revolving the area bounded by the 
the curve 
and 
about the x-axis.
A. 
ln 
B. 
? ln 
C. 
? ln 
D. 7? ln 
Solve the problem.A rectangular piece of tin has an area of 1080 square inches. A square of 3 inches is cut from each corner, and an open box is made by turning up the ends and sides. If the volume of the box is 2106 cubic inches, what were the original dimensions of the piece of tin?
A. 24 in. by 45 in. B. 27 in. by 48 in. C. 18 in. by 36 in. D. 21 in. by 42 in.
Solve.
= 
A. 102
B. 2
C. 10
D. 20
Solve the problem.A tea shop owner is mixing a blend of two teas, one of which costs $6.50 per pound, the other costing $4.00 per pound. The owner wants to have 20 pounds of a mixture that will sell for $5.50 per pound. How much of each type of tea should be used?
What will be an ideal response?