A store sells two models of laptop computers. Because of the demand, the store stocks at
least twice as many units of model A as of model B. The costs to the store for the two models are $800 and $1200, respectively. The management does not want more than $29,000 in computer inventory at any one time, and it wants at least four model A laptop computers and two model B laptop computers in inventory at all times. Find and graph a system of inequalities describing all possible inventory levels.
?
A. 
B.
?
C.
?
D. ?
E.
?
Answer: B
Mathematics
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Subtract.
?
?
A. 20.8 B. 22 C. 21 D. 21.1 E. 20
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Find the limit of the sequence or determine that the limit does not exist.an = ln 
n
A. does not exist B. 7 C. 0 D. ln 7
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Evaluate the expression without using a calculator.ln e2
A. 2
B. 
C. log 2
D. -2
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Find the perimeter.
A. 43 m B. 80 m C. 312 m D. 30 m
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