Solve the variation problem.The weight of a liquid varies directly as its volume. If the weight of the liquid in a cubical container 3 cm on a side is 81 g, find the weight of the liquid in a cubical container 5 cm on a side.
A. 15 g
B. 375 g
C. 110 g
D. 125 g
Answer: B
Mathematics
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f(x)
A. does not exist B. 1 C. -1 D. 0
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Subtract and simplify.
- 
A. 
B. 
C. 
D. 
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Complete the factoring.7x2 - 22x - 24 = (7x + 6)( )
A. x + 4 B. 7x + 18 C. x - 4 D. 7x - 4
Mathematics
Simplify. Be sure to rationalize all denominators. Assume that all variables represent positive real numbers.
A. 
B. 7
C. 43x
D. 
Mathematics