Use Gaussian elimination or Gauss-Jordan elimination to solve the problem.Ellen wishes to mix candy worth $3.28 per pound with candy worth $9.01 per pound to form 26 pounds of a mixture worth $7.69 per pound. How many pounds of the more expensive candy should she use?
A. 25 lb
B. 20 lb
C. 6 lb
D. 8 lb
Answer: B
Mathematics
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A. 3 , - 
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C. -3 , -4
D. -3 , 
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, 
, 
, or 
) to describe the end behavior of the graph of the function.P(x) = - 
x3 + 2x2 + 3x - 7
A. 
B. 
C. 
D. 
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Use the change-of-base formula to rewrite the logarithm as a ratio of logarithms. Then use a
graphing utility to graph the ratio.
?
?
A. 
B.
C.
D.
E.
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Divide and round to the nearest hundredth.-8.7658 ÷ (-4.85)
A. 42.51 B. 1.81 C. -1.81 D. 0.55
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