Solve the problem.The population in a particular country is growing at the rate of 1.3% per year. If 7,638,000 people lived there in 1999, how many will there be in the year 2004? Use 
and round to the nearest ten-thousand.
A. 9,780,000
B. 8,150,000
C. 8,970,000
D. 7,990,000
Answer: B
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Use order of operations to simplify the expression.(7 - 8) - 7
A. 6 B. -8 C. 8 D. 22
Verify the identity.sec4 x - tan4 x = sec2 x + tan2 x
What will be an ideal response?
Solve the problem.An airplane flies on a compass heading of 90° at 370 mph. The wind affecting the plane is blowing from 304° at 37.0 mph. What is the true course and ground speed of the airplane? Approximate results to the nearest whole number.
A. 93°, 391 mph B. 86°, 402 mph C. 93°, 401 mph D. 86°, 392 mph
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