Simplify.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Simplify the rational expression.- 
A. - 
B. - 
C. - 
D. 
Mathematics
Solve the problem.The average value of a certain type of automobile was $14,700 in 1992 and depreciated to $4140 in 1997. Let y be the average value of the automobile in the year x, where x = 0 represents 1992. Write a linear equation that models the value of the automobile in terms of the year x.
A. y = -2112x + 4140
B. y = -2112x - 6420
C. y = -2112x + 14,700
D. y = - 
x - 4140
Mathematics
Find the limit algebraically.
A. - 
B. 0
C. 8
D. does not exist
Mathematics
Perform the set of operations, working from left to right.-19 + 20 - (-8) - 7
A. 16 B. 0 C. -40 D. 2
Mathematics