Evaluate the determinant.
A. -25
B. -20
C. -70
D. 25
Answer: D
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Determine the order of integration and then evaluate the integral.
A. 
tan-1 81 - 1 ln 6562
B. 81 tan-1 81 - 
ln 6562
C. 81 tan-1 81 - 1 ln 6562
D. 
tan-1 81 - 
ln 6562
Determine whether the statement is true or false.
< 10
A. True B. False
Solve the problem involving related quantities.A 7-ft. board is cut into 2 pieces so that one piece is 3 feet longer than 3 times the shorter piece. Find the lengths of both pieces.
A. shorter piece: 18 ft; longer piece: 21 ft B. shorter piece: 3.5 ft; longer piece: 21 ft C. shorter piece: 9 ft; longer piece: 24 ft D. shorter piece: 1 ft; longer piece: 6 ft
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