Solve the problem.Susan has been working on a job that will require 45 hours to complete. If she has completed  of the job, how many hours has she worked?

A. 40 hours
B. 20 hours
C. 5 hours
D. 4 hours


Answer: A

Mathematics

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A. Yes B. No

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Solve the absolute value equation.  = 9

A. x = 8 B. x = -21, 105 C. x = -10, 8 D. x = 105

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Divide. 

A. x + 2  B. x - 4  C. x3 - 4 D. x2 + 2

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Find the domain of the composite function f ? g.f(x) = ; g(x) = 

A. {x 
B. {x 
C. {x 
D. {x 

Mathematics