Perform the indicated operation(s). Simplify if possible.
+ 
- 
A. 
B. 
C. 
D. 
Answer: C
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Simplify the complex fraction.
A. 
B. 
C. 
D. 
Express the set of real numbers graphed on the number line using an inequality.
A. x < 4 B. x > 4 C. x ? 4 D. x ? 4
Use Bayes' rule to find the indicated probability.Quality Motors has three plants. Plant 1 produces 35% of the car output, plant 2 produces 20% and plant 3 produces the remaining 45%. One percent of the output of plant 1 is defective, 1.8% of the output of plant 2 is defective and 2% of the output of plant 3 is defective. The annual total production of Quality Motors is 1,000,000 cars. A car chosen at random from the annual output and is found defection. What is the probability that it came from plant 2?
A. 0.35 B. 0.559 C. 0.224 D. 0.217
Find the area.
A. 32 mi2 B. 96 mi2 C. 40 mi2 D. 3200 mi2