Solve. x - z = -73x - y = -1 x + y + z = 18
A. (3, 5, 10)
B. (-1, -2, 6)
C. (2, 7, 9)
D. (1, 9, 8)
Answer: C
Mathematics
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Find the domain of the rational function.f(x) = 
A. {x|x ? 0, x ? 25} B. all real numbers C. {x|x ? -5, x ? 5} D. {x|x ? -5, x ? 5, x ? -8}
Mathematics
Solve the equation by the method of your choice. Simplify irrational solutions, if possible.8x2 + 30x + 14 = -11
A. 
B. 
C. 
D. 
Mathematics
Find gross earnings. Overtime is one-and-a-half times the normal per piece rate.Units, reg: 422Produced, O.T.: 70Rejected units: 5Rate per unit: $0.94Chargeback per unit: $0.49
A. $492.93 B. $490.68 C. $495.38 D. $460.03
Mathematics
Divide.
A. 0 B. 20 C. Undefined D. -20
Mathematics