Find the required value by setting up the general equation and then evaluating.Find v when r = 6, s = 4, and t = 3 if v varies jointly as r and s and inversely as the square of t, and v = 4 when r = 3, s = 9, and t = 9.
A. 
B. 96
C. 32
D. 16
Answer: C
Mathematics
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Use a proportion to solve the problem.If 7 sandwich rolls cost $1.82, how much will 25 rolls cost?
A. $12.74 B. $6.50 C. $7.50 D. $14.74
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If y varies directly as x, find the direct variation equation for the situation.y = 4 when x = 32
A. y = x + 28
B. y = 8x
C. y = 
x
D. y = 
x
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Find the vertical asymptotes of the rational function.f(x) = 
A. x = -1 B. x = 1, x = -4 C. x = -1, x = 4 D. x = -1, x = -4
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Find the standard form of the equation of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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