Solve for x.|6x + 7| = 6
A. x = 
, 
B. x = - 
, - 
C. no real solution
D. x = - 
, - 
Answer: D
Mathematics
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Factor the difference of cubes.8r3 - 27
A. (2r - 9)(4r2 - 6r + 3) B. (2r - 3)(4r2 - 9) C. (2r + 3)(4r2 - 6r + 9) D. (2r - 3)(4r2 + 6r + 9)
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Solve the problem.Find the maximum of R = 5x + 6y on the region of feasible solutions shown in the figure. 
A. R = 36 B. R = 46 C. R = 40 D. R = 44
Mathematics
Solve the linear equation.-2(k + 5) - (-3k - 9) = -7
A. {6} B. {- 8} C. {- 6} D. {21}
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Use the present value formula to solve the problem.Find the present value of $80,000 if interest is paid at a rate of 8.5% compounded quarterly for 15 years. Round to the nearest cent.
A. $22,951.34 B. $22,655.09 C. $282,497.21 D. $278,850.80
Mathematics