Find the equations of the system shown on the graphing calculator screen.10
-10
A. y = 2x + 1
y = -0.3x - 5.9
B. x + y = 1
x - 3y = -9
C. 2x + y = 1
5x - y = 20
D. 5x + y = 20
2x - y = 1
Answer: C
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?
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?
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Simplify the fraction.
A. 10c2 B. -10c2 C. -3c2 D. 3c2
Solve the problem.Find the mass of the rectangular solid of density 
defined by 
, 
, 
.
A. 1800 B. 960 C. 1200 D. 2400
Perform the indicated operation.(4x6 + 8x5 - 3x4 + 5) + (7x6 - 3x5 - 4x4 - 9)
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