Evaluate the determinant by expansion by minors.
A. 5
B. -27
C. -23
D. 27
Answer: B
Mathematics
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Complete the square to write the equation in the form 
+ 
= 1 or 
+ 
= 1.25x2 + 9y2 + 50x - 36y - 164 = 0
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Write and solve an equation to answer the question. Round your answer to the nearest hundredth, if necessary.What is 0.1% of 6000 fires?
A. 600 B. 60 C. 1 D. 6
Mathematics
Multiply.-5x2(x2 - 5x - 10)
A. 5x4 + 25x3 - 50x2 B. -5x4 - 25x3 + 50x2 C. 5x4 - 25x3 - 50x2 D. -5x4 + 25x3 + 50x2
Mathematics
Graph the function.f(x) = 4 - e-x
A. 
B. 
C. 
D. 
Mathematics