Solve the system of equations by Gaussian elimination.

A. {(2, 1, 5)}
B. {(5, 1, 2)}
C. {(5, 2, 1)}
D. ?


Answer: B

Mathematics

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Simplify each side of the equation, if possible. Then solve the equation.p - 7 =  + 10

A. p = 15
B. p = 19
C. p = 
D. p = 

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Solve the problem.Suppose that f and g are continuous and that  and   

A. 10 B. -6 C. -10 D. 6

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Solve and check.9.9t = -19.8

A. = -2
B. = -9.9
C. = -17.8
D. = - 

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Find the critical point(s) of the function. Then use the second derivative test to classify the nature of each point, if possible. Finally, determine the relative extrema of the function. ? 

A. ; saddle point: 
B. ; relative maximum value: 
C. ; relative minimum value: 

Mathematics