Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + 3y + 2z=114y + 9z=-12x + 7y + 11z=- 1
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B. 
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D. 
Answer: C
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Solve the problem.Find the vector from A to the midpoint of BC.A = (4, -6, 9), B = (2, 4, 3), C = (-9, 7, -3)
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Solve the problem.During a five-year period, a company doubles its profits each year. If the profits at the end of the fifth year are $160,000, then what are the profits for each of the first four years?
A. $10,000, $20,000, $30,000, $40,000 B. $10,000, $20,000, $40,000, $100,000 C. $10,000, $20,000, $40,000, $80,000 D. $11,000, $22,000, $44,000, $86,000
Provide an appropriate response.Graph the solution to 3x + 1 ? 13 or x - 2 ? 5.
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Use a product-to-sum identity to rewrite the expression.sin(4t) cos(2t)
A. 0.5(cos(6t) - cos(2t)) B. 0.5(sin(6t) + sin(2t)) C. 0.5(cos(6t) + sin(6t)) D. 0.5(sin(6t) - sin(2t))