Solve the problem.The weight of a liquid varies directly as its volume V. 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. 125 g
D. 110 g
Answer: B
Mathematics
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Solve the problem.The ages and lengths of several animals of the same species are recorded in the following table: 
Find and then use a linear model to predict the length of a 35-month-old animal.
A. 35.60 in. B. 38.50 in. C. 36.60 in. D. 37.50 in.
Mathematics
Write an equation for the line described. Give your answer in slope-intercept form.vertical, through (3, 4)
A. y = 3 B. x = 3 C. x = 4 D. y = 4
Mathematics
Perform the indicated operations and write the result in standard form.
+ 
A. 16i B. -16 C. 63i D. -16i
Mathematics
Decide whether the pair of lines is parallel, perpendicular, or neither.9x + 3y = 1227x + 9y = 37
A. parallel B. perpendicular C. neither
Mathematics