Perform the indicated operation.
- 
A. 
B. 
C. 
D. 
Answer: A
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Find the number of subsets of the set.{mom, dad, son, daughter}
A. 12 B. 16 C. 8 D. 14
Convert the temperature. Give your answer to the nearest tenth of a degree.22°F = °C
A. 19.8°C B. 71.6°C C. -5.6°C D. 7.6°C
Solve for the amount of discount and amount due.Invoice amt: $342.43Invoice date: Nov 15Terms: 2/9 ROGGoods rec'd: Dec 8Date paid: Dec 15
A. Amount of discount: $6.65; amount due: $331.43 B. Amount of discount: $30.82; amount due: $311.61 C. Amount of discount: $6.85; amount due: $335.58 D. Amount of discount: $0; amount due: $342.43
Solve the polynomial inequality and graph the solution set on a number line. Express the solution set in interval notation.(x + 1)(x - 1) ? 0
A. [-1, 1]
B. (-?, -1) ? (1, ?)
C. (-?, -1] ? [1, ?)
D. (-1, 1)