Translate the statement of variation into an equation and use k as the constant of variation.y varies directly as the cube of b.
A. b = ky3
B. y = b3
C. 
D. y = kb3
E. y = kb
Answer: D
Mathematics
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Solve the problem.The disk (x - 5)2 + y2 ? 1 is revolved about the y-axis to generate a torus. Find its volume. (Hint: 
= 
?, since it is the area of a semicircle of radius 1.)
A. 5?2
B. 5?
C. 10?2
D. 
?2
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Find the product.(3x3)(5x2)
A. 15x5 B. 8x6 C. 15x6 D. 8x5
Mathematics
Write the fraction in lowest terms.
A. 
B. 
C. 3
D. 
Mathematics
Provide an appropriate response.A fraction is in lowest terms when there is no number that can be divided evenly into the numerator and denominator.
A. True B. False
Mathematics