Solve the problem.The weight of a liquid varies directly as its volume V. If the weight of the liquid in a cubical container 4 cm on a side is 128 g, find the weight of the liquid in a cubical container 3 cm on a side.
A. 27 g
B. 54 g
C. 6 g
D. 15 g
Answer: B
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Find the distance between the points, and find the midpoint of the line segment joining them.(7y, 1) and (8y, 5)
A. 
; 
B. y + 4; (y, 4)
C. 
; 
D. y + 4; (15y, 6)
Solve.The length of a rectangle is 112 in. and the width is 94 in. Find its perimeter.
A. 206 in. B. 318 in. C. 412 in. D. 10,528 in.
Solve the problem.The function A = A0e-0.01155x models the amount in pounds of a particular radioactive material stored in a concrete vault, where x is the number of years since the material was put into the vault. If 500 pounds of the material are placed in the vault, how much time will need to pass for only 140 pounds to remain?
A. 220 years B. 120 years C. 110 years D. 115 years
Solve the problem.Marty's Tee Shirt & Jacket Company is to produce a new line of jackets with a embroidery of a Great Pyrenees dog on the front. There are fixed costs of $580 to set up for production, and variable costs of $30 per jacket. Write an equation that can be used to determine the total cost, C(x), encountered by Marty's Company in producing x jackets, and use the equation to find the total cost of producing 147 jackets.
A. $5002 B. $4982 C. $4990 D. $4970