Solve the system of equations.x - y + z = 8x + y + z = 6x + y - z = -12
A. {(-2, -1, -9)}
B. {(2, -1, -9)}
C. {(2, -1, 9)}
D. {(-2, -1, 9)}
Answer: D
Mathematics
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Provide an appropriate response.(32 + 64) + 179 = 27532 + (64 + 179) = 275This is an example of the 
.
A. associative property of multiplication B. commutative property of multiplication C. associative property of addition D. commutative property of addition
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Graph f on the interval [-2?, 2?] using dot mode.f(t) = csc 
A. 
B. 
C. 
D. 
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If y varies inversely as x, write a general formula to describe the variation.y = 0.8 when x = 0.2
A. y = 
B. y = 6.25x
C. y = 4x
D. y = 
Mathematics
Perform the indicated operation.(9x2 - 3x - 5) + (-2x2 - 4x + 11)
A. 7x2 - 7x + 6 B. -7x2 + 7x + 6 C. 11x2 - 7x - 16 D. 11x2 - 7x + 16
Mathematics