Simplify.
A. 25
B. -5
C. -25
D. 5
Answer: B
Mathematics
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Solve the problem.The solution set of the inequality 
is 
. Without doing any work, give the solution to 
A. (-?, -4) ? (-3, ?) B. (-4, -3) C. [-4, -3] D. (-4, ?)
Mathematics
Solve the equation by completing the square.x2 + 18x = -62
A. {-18 + 
}
B. {9 + 
}
C. {-9 - 
, -9 + 
}
D. {9 - 
, 9 + 
}
Mathematics
Solve the equation by changing it to exponential form.log x = - 2
A. x = 
B. x = 
C. x = -20
D. x = 20
Mathematics
Find the area of the triangle. If necessary, round the answer to two decimal places. 
A. 14.14 B. 4.47 C. 48.06 D. 214.94
Mathematics