Determine whether the matrix is invertible.
A. Yes
B. No
Answer: B
Mathematics
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Place the correct symbol, <, >, or =, in the blank between the expressions.-52 
|-52|
A. > B. = C. <
Mathematics
Solve the problem.The sum of twice a number and 6 less than the number is the same as the difference between -14 and the number. What is the number?
A. -1 B. -3 C. -4 D. -2
Mathematics
The augmented matrix is given for a system of equations. If the system is consistent, find the general solution. Otherwise state that there is no solution. 
A. x1 = 15 + 11x3 x2 = -5 - 4x3 x3 is free B. x1 = 5 - 2x2 + 3x3 x2 is free x3 is free C. x1 = 5 -2x2 + 3x3 x2 = -5 - 4x3 x3 is free D. x1 = 15 + 11x3 x2 = -5 - 4x3 x3 = 0
Mathematics
Evaluate.log111
A. x = 11
B. x = 
C. x = 0
D. x = 1
Mathematics