Simplify by factoring. Assume that any variable in a radicand represents a positive real number.
A. x2 + 9
B. (x + k)2
C. (x + k)2
D. (x + k)
Answer: B
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Solve.The weight of an object on the Earth's surface is inversely proportional to the square of its distance from the center of the Earth. An object weighs 1100 pounds on the Earth's surface. This is approximately 4000 miles from the center of the Earth. How much would this object weigh 4800 miles from the center of the Earth? (Round to the nearest tenth of a pound.)
A. 1584 pounds B. 763.9 pounds C. 1004.2 pounds D. 916.7 pounds
The question(s) that follow refer to the problem of finding the minimum spanning tree for the weighted network shown below.
Which of the following edges of the given network are not part of the minimum spanning tree?
A. BC B. BF C. GH D. AB E. none of these
Classify as true or false, assuming that a, b, c, and d are whole numbers and d ? 0.If d
, then d
or d
.
A. True B. False
Solve the problem.Suppose your job is to take phone orders for machine parts. Use the table below to answer the following questions. Write the correct part number that matches what you hear the customer say on the phone. 
"Can you rush me the 5-thousandth centimeter size?"
A. B B. A C. I D. G