Use the Gauss-Jordan method to solve the system of equations. x - y + 8z = -107 x + 2y = 212x + y + 8z = -80
A. (5, 8, -13)
B. (5, 8, 7)
C. (5, 8, 0)
D. No solution
Answer: D
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Collect like terms and write in descending order.7x7 + 3x7 - 8x7
A. -168x7 B. 2x21 C. Can't be simplified D. 2x7
Ohm's Law for the current I in a circuit with voltage E, resistance R, capacitance reactance XC, and inductive reactance XLis 
Use this law to solve the problem.Find XCif I = 6 - 2i, E = 5 - 5i, R = 9, and 
A. - 
+ 8i
B. 
- 8i
C. - 
- 8i
D. 
+ 8i
Find the equation of the line described, and express your answer in the specified form.Parallel to the line 7x + 3y = 36; passes through the point (3, 6); standard form
A. 3x + 3y = 36 B. 3x + 7y = 6 C. 7x - 3y = 39 D. 7x + 3y = 39
Solve.Last year a company had 5870 employees. This year the number of employees increased by 1378. How many employees does the company have now?
A. 7258 employees B. 7248 employees C. 7148 employees D. 7348 employees