Simplify the algebraic expression.3 + (x + 6)
A. 9x
B. x + 9
C. 3x + 18
D. x + 18
Answer: B
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Use the shell method to find the volume of the solid generated by revolving the shaded region about the indicated line.About the line y = 5
A. 
?
B. 
?
C. 
?
D. 
?
Solve.As Sunee improves her algebra skills, she takes 0.9 times as long to complete each homework assignment as she took to complete the preceeding assignment. If it took her 55 minutes to complete her first assignment, find how long it took her to complete the fifth assignment. Find the total time she took to complete her first five homework assignments. (Round to the nearest minute.)
A. 36 min; 225 min B. 36 min; 189 min C. 32 min; 189 min D. 32 min; 225 min
Solve the problem.Kafka Inc. imports hard drives and sells them on the internet. The profit is given by the equation 
, where n is the number of hard drives sold. How many hard drives must be sold for the company to break even? Round your answer to the units place, in other words, to the nearest number of hard drives.
A. 57 hard drives B. 61 hard drives C. 55 hard drives D. 77 hard drives
Solve the equation.
= - 5x
A. {3, 6}
B. {0, -3}
C. 
D. 