Solve the problem.Write an expression for the sum of the lengths of the sides in the figure shown.
A. x + 5 + y + 7 or 12 + x + y
B. 12xy
C. xy + 12
D. 5x + 7y
Answer: A
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The graph below shows the approximate annual percentage growth rate in world population for the years 1960 through 2010. Data is estimated by the UN Census Bureau.Annual Growth Rate (Percentage) 
Use the graph to answer the question.In which year during the period 1960-2010 is estimated world population the greatest?
A. 1970 B. 1963 C. 1960 D. 2010
Solve the problem.Evaluate 
at (u, v) = (1, 2) for the function w(x, y) = xy2 - ln x; x = eu+v, y = uv.
A. 8e3 - 1 B. -1 C. 12e3 - 1 D. 6e3 - 1
Provide an appropriate response.An open box is formed by cutting a square piece out of each corner of a 12-inch by 10-inch piece of metal. If each side of the squares cut out is x inches long, the volume of the box is given by 
This problem only makes sense when this volume is positive. Find the values of x for which the volume is positive.
Fill in the blank(s) with the appropriate word(s).
A truck must drop off furniture at 4 different homes (A, B, C, and D) as shown in the graph below, starting and ending at A. The numbers on the edges represent distances (in miles) between locations. The truck driver wants to minimize the total length of the trip.
The repetitive nearest-neighbor tour starting with vertex A is given by:
A. A, C, D, B, A. B. A, B, D, C, A. C. A, C, B, D, A. D. A, D, C, B, A. E. none of these