Find the absolute value of the complex number.2 + 10i
A. 104
B. 12
C. 2
D. 2
Answer: C
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Solve the problem.The volume of a sphere is given by 
. A certain sphere has the property that 
. Find r.
A. 1.44 B. 1.46 C. 1.50 D. 1.48
Solve the problem.A barge is located 200 feet away from the coastline 1200 feet down the coast from a power source at point A. To supply the barge with electricity, a power line will be run from point A to a point B on the coast and then from point B to the barge. If power lines on land coast $3 per foot and power lines under water cost $5 per foot, calculate the total cost of running a power line from point A to the barge when point B is 800 feet down the coast from point A in the direction of the barge. Recalculate the total cost when the distance from A to B is increased in 50-foot increments, until you locate a possible minimum cost. Interpret your solution.
width="367" /> What will be an ideal response?
Provide an appropriate response.Explain why proper fractions are equivalent to decimal numbers less 
What will be an ideal response?
The table shows the numbers 
(in thousands) of residents from 2002 through 2007.
YearNumber of residents, 
2002 640 2003 655 2004 670 2005 670 2006 683 2007 699?
Find the first differences of the data shown in the table.
A. 
B. 
C. 
D. 
E. 