Solve the equation.b - 9 = -5
A. -14
B. 14
C. 4
D. -4
Answer: C
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Find the volume of the solid generated by revolving the region about the given axis. Use the shell or washer method.The region in the first quadrant bounded by x = 5y - y2 and the y-axis about the y-axis
A. 
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B. 
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C. 
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D. 
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Solve the problem.Wind speed varies in the first twenty meters above the ground. For a particular day, let 
compute the wind speed x meters above the ground. At what height is the wind speed 10 meters per second? Round results to the nearest hundredth.
A. 0.13 B. 0.93 C. 1.14 D. 0.88
Solve the system of equations using Gaussian elimination or Gauss-Jordan elimination.8w + 7x - 6y - 4z = 117w + 5x - 9y - 4z = -108w - 7x + 7y + 5z = -25-6w - 4x + 7y + 8z = -2
A. (1, 5, 4, 2) B. (-1, 5, 4, -2) C. (-1, 4, -5, 2) D. No solution
Use the distributive property to remove parentheses and write the product as a sum. Simplify if possible.-(8x + 4)
A. -8x - 4 B. -8x + 4 C. 8x + 4 D. 8x - 4