Subtract.(-3x4 + 6x6 + 6 - 6x5) - (-3 + 2x5 + 4x6 - 5x4)
A. 10x6 - 4x5 - 8x4 + 9
B. 2x6 - 4x5 - 8x4 + 3
C. 10x6 - 4x5 - 8x4 + 3
D. 2x6 - 8x5 + 2x4 + 9
Answer: D
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Answer the question.Consider the numbers 15, 
, -2, 0, 
, 
, 
. Which are real numbers?
A. 15, 
, -2, 0, 
, 
B. 15, -2, 0, 
, 
C. 15, -2, 0, 
, 
D. 15, -2, 0, 
Solve the problem.The number of VHS movie rentals has declined since the year 2000 due to the popularity of DVDs, as the following table shows. Use a graphing calculator to determine the exponential regression equation that best fits the VHS rental data. Let x represent the number of years since 2000.
A. y = 9.79(0.08213)x B. y = 9.79(0.8213)x C. y = 9.75(0.8197)x D. y = 9.75(0.08197)x
Find all specified roots.Cube roots of 1.
A. 1, - 
+ 
i, - 
- 
i
B. -1, 1
C. 1, 
+ 
i, - 
+ 
i
D. 1, 
- 
i, - 
- 
i
A 18-inch board has been cut into 2 sections, one 8 inches longer than the other. How long is the shorter piece.
A. 5 inches B. 4 inches C. 7 inches D. 6 inches