Find the amount of sales tax or excise tax. Round to the nearest cent.Sales price: $542.79Sales tax rate: 7%
A. $380.00
B. $32.57
C. $38.00
D. $43.42
Answer: C
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Find the area or volume.Find the area of the region bounded by the curve y = 8x-2, the x-axis, and on the left by x = 1.
A. 16 B. 8 C. 4 D. 64
Integrate the function f over the given region.f(x, y) = 
over the region bounded by the x-axis, line 
and curve 
A. 6 B. 1 C. 7 D. 8
Find the distance between the pair of points. Give an exact answer.(1, 4) and (-7, -3)
A. 
units
B. 56 units
C. 
units
D. 113 units
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