Solve the problem.In a recent survey in Canada, 81.9% of men shave with a razor blade, which is 1.5 times the percentage of men in Canada who shave with an electric razor. What is the percentage of men in Canada who shave with an electric razor?
A. 41%
B. 54.6%
C. 81.9%
D. 27.3%
Answer: B
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Multiply.(3x - 1)(x + 9)
A. 3x2 + 25x - 9 B. x2 - 9x + 26 C. x2 + 26x + 25 D. 3x2 + 26x - 9
Transform the polar equation to an equation in rectangular coordinates. Then identify and graph the equation.r sec ? = -6
A. 
x = -6; vertical line 6 units
to the left of the pole
B. 
y = -6; horizontal line 6 units
below the pole
C. 
(x + 3)2 + y2 = 9; circle, radius 3
center (-3, 0) in rectangular coordinates
D. 
x2 + (y + 3)2 = 9; circle, radius 3,
center at (0, -3) in rectangular coordinates
Solve the variation problem.The distance it takes to stop a car varies directly as the square of the speed of the car. If it takes 112 feet for a car traveling at 40 miles per hour to stop, what distance is required for a speed of 
per hour?
A. 175 feet B. 175.34 feet C. 150 feet D. 187.3 feet
Determine whether the improper integral is convergent or divergent.
A. Divergent B. Convergent