Solve the system by substitution. If the system is inconsistent or dependent, say so.
A. (-2, 2)
B. (2, -2)
C. (-2, -2)
D. (18, -2)
Answer: B
Mathematics
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Perform the indicated multiplication.-14(-7)
A. 98 B. -112 C. 112 D. 105
Mathematics
Graph the function by first finding the relative extrema.f(x) = 
A. 
B. 
C. 
D. 
Mathematics
Perform the indicated operations. [(13x9 + 3) - (- 8x6 + 10x3 )] - [(3x9 - 6x5 + 10x) + (8x3 - 10x- 4)]
A. 10x9 + 8x6 + 6x5 - 18x3 + 7 B. -10x9 + 8x6 + 6x5 - 18x3 + 7 C. -10x9 + 8x6 - 6x5 - 18x3 + 7 D. 10x9 + 8x6 - 6x5 - 18x3 + 7
Mathematics
Find the least common denominator (LCD).
, 
A. 5x - 7 B. 5x2 - 35 C. 5x2 - 7 D. 5x(x - 7)
Mathematics