Solve the inequality.
? 0
A. (-?, -10] or (1, 5]
B. (-?, -10] or [5, ?)
C. [-10, 1) or (1, 5]
D. [-10, 1) or [5, ?)
Answer: D
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Solve the given inequality (a related function is graphed).
? 0 
A. [-2, 2] B. (-?, -2) ? (2, ?) C. (-2, 2) ? [2, ?) D. (-2, 2)
Solve the system of equations.x - y + z = -2x + y + z = 8x + y - z = 6
A. x = 1, y = 2, z = 5 B. x = 2, y = 5, z = 1 C. x = 2, y = 1, z = 5 D. Inconsistent
Solve the problem.The table lists the number of persons voting in an election by election year and sex, for a small community. 
Let this table be a partial numerical representation of a function f, where 
computes the number of persons who voted in the year x whose sex is y. Evaluate 
Interpret the result.
A. f(1976, Male) = 984 The number of males who voted in 1976 was 984. B. f(1976, Male) = 849 The number of males who voted in 1976 was 950. C. f(1976, Male) = 984 The number of people who voted in 1976 was 984, all male. D. f(1976, Male) = 977 The number of males who voted in 1976 was 977.
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.Toys4U purchases tricycles for $27. The store's operating expenses are 20% of cost with a net profit of 13% of cost. Find the selling price of one tricycle.
A. $28.89 B. $35.91 C. $18.09 D. $25.11