Solve the system using Gaussian elimination.
a. ( 2, 1, 8 )
b. ( 2, 1, -8 )
c. ( -2, -1, -8 )
d. ( 2, -1, -8 )
e. ( -2, 1, -8 )
c. ( -2, -1, -8 )
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Provide an appropriate response.Owner's equity is:
A. the amount of clear ownership or owner's rights to the properties B. considered a debt on a balance sheet C. also called stockholder's equity D. all of these pertain to owner's equity
Divide. Leave the answer in factored form when appropriate.
÷ 
A. 
B. (z + 6)(z - 7)
C. 
D. 
Solve the problem.For what numbers x, 0 ? x ? 2?, does sin x = -1?
A. 
, 
B. ?
C. 
D. none
Two DVDs and three game disks cost $137.79. Four DVDs and one game disk cost $75.73. What does one of each cost?
A) DVD = $9.09, game disk = $39.87 B) DVD = $11.88, game disk = $40.09 C) DVD = $9.15, game disk = $39.83 D) DVD = $8.94, game disk = $39.97 E) DVD = $9.00, game disk = $39.93