Use Euler's formula to answer the question.A pyramid has 6 faces. How many edges does it have?
A. 5
B. 10
C. 6
D. 4
Answer: B
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Graph the equation.y = (x - 5)2
A. 
B. 
C. 
D. 
Write the sum in summation notation.
+ 
+ 
+ 
+ . . .
A. 
B. 
C. 
D. 
Solve the inequality algebraically. Express the solution in interval notation.
> 
A. (-?, -43) ? (-1, 6) B. (-?, -43) ? (6, ?) C. (-43, -1) ? (6, ?) D. (-43, -1) ? (-1, 6)
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), (iii) C. (ii), (iii), (iv) D. (ii)