Simplify the expression. Include absolute value bars where necessary.
A. 
B. g7
C. g
D. -g
Answer: C
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Provide an appropriate response. If one inch on a U.S. customary rule is divided into 16 parts, what is the length of each part of the inch?
A. 
inch
B. 16 inches
C. 
inch
D. 
inch
Perform the indicated operation. 
? 
A. 
B. 
C. 
D. 
Solve.The average value of a certain type of automobile was $14,520 in 1991 and depreciated to $6240 in 1995. Let y be the average value of the automobile in the year x, where x = 0 represents 1991. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2070x + 14,520
B. y = -2070x - 2040
C. y = -2070x + 6240
D. y = - 
x - 6240
Find the equation of variation if the following is true.Suppose that y varies directly as z and y = 43 when z = 172.
A. y = 4z
B. y = 
z
C. y = -2z
D. y = - 
z