Evaluate the expression for the given values. Expression your answer as a fraction unless otherwise indicated.
x = 5, y = 8
A. 
B. 
C. 
D. 
Answer: C
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Identify the type of surface represented by the given equation.
+ 
+ 
= 1
A. Ellipsoid B. Sphere C. Elliptical cone D. Paraboloid
Add the integers.-24 + (-3) + (-17) + (-2)
A. 8 B. 2 C. -46 D. 36
Solve.
+ x = -6
A. -27 B. 9, -3 C. -9, 3 D. -6, -27
Provide an appropriate response.Which of the following are not allowable operations when the Gaussian elimination method is used to solve a system of linear equations?(i)A multiple of elements of one row may be added to the corresponding elements of any other row.(ii)Any two columns may be interchanged.(iii)The elements of any row may be multiplied by the corresponding elements of another row.(iv)All of the elements of any row may be multiplied by any nonzero number.
A. (i), (iv) B. (ii) C. (ii), (iii) D. (ii), (iii), (iv)