Express the interval in set builder notation and graph the interval on a number line.(-?, -3]
A. {x 
}
B. {x 
}
C. {x 
}
D. {x 
}
Answer: B
Mathematics
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Solve the system of equations. If there is no solution to the system, give a reason. x + y + z = 10 x - y + 4z = 233x + y + z = 18
A. (5, 1, 4) B. (1, 4, 5) C. (4, 1, 5) D. (5, 4, 1)
Mathematics
Solve.
A. (6, 42), (2, 22) B. (-6, 42), (-2, 22) C. (6, 2) D. (-6, -18), (-2, 2)
Mathematics
Write a numerical expression for the phrase and simplify it.Five-eighths of the sum of -5 and -11.
A. 
[(-5) + (-11)]; -20
B. 
+ [(-5) + (-11)]; 3
C. 
[(-5) + (-11)]; -10
D. (5 + 8)(-5) + (-11); -76
Mathematics
Solve the system. If there is no solution or if the system's equations are dependent, so state.
A. {(-2, 5, 2)} B. infinitely many solutions; dependent equations C. no solution or ? D. {(2, 5, -2)}
Mathematics