Find the pivot element of the tableau.
A. 1 in row 1, column 3
B. 6 in row 2, column 3
C. 4 in row 3, column 3
D. 
in row 4, column 3
Answer: B
Mathematics
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Write the phrase as a mathematical expression. Use x as the variable.The sum of a number and 12
A. 12x
B. x - 12
C. 
D. x + 12
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Express the number in scientific notation.85,000,000,000
A. 8.5 × 109 B. 8.5 × 10-10 C. 8.5 × 1010 D. 8.5 × 10-9
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Factor completely.x5 - 6x4 - 16x3
A. x3(x - 8)(x + 2) B. x3(x + 8)(x + 2) C. x-8(x2 - 6x - 16) D. x3(x - 8)(x - 2)
Mathematics
Complete.9 mi = 
yd
A. 47,520
B. 
C. 15,840
D. 9000
Mathematics