Simplify.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Simplify the expression using the power rule.
5
A. (-7)14 B. (-49)45 C. (-7)45 D. (-49)9
Mathematics
Find the domain of the rational expression.
A. {x|x is a real number and x ? 7} B. {x|x is a real number} C. {x|x is a real number and x ? 3} D. {x|x is a real number and x ? 3 and x ? 7}
Mathematics
Use Gaussian elimination to find the complete solution to the system of equations, or state that none exists. 3x - 2y + 2z - w=2 4x + y + z + 6w=8-3x + 2y - 2z + w=55x + 3z - 2w=1
A. {(1, - 
, 
, 6)}
B. ?
C. {(2, 0, - 
, 
)}
D. {(
, 0, - 
, 
)}
Mathematics
Determine whether the given value is a solution to the given equation.Is 11.6 a solution to 22.3 - z = 11.7?
A. Yes B. No
Mathematics