Solve.A rectangular top covers the components in an electronic device. The top is 
by 
What is the area of the top?
A. 27.38 cm2
B. 9.99 cm2
C. 6.4 cm2
D. 7.29 cm2
Answer: B
Mathematics
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Find the second derivative.w = z-4 - 
A. -4z-5 + 
B. 20z-6 + 
C. 20z-6 - 
D. -4z-6 - 
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Find the amount that should be set aside today to yield the desired future amount. Round to the nearest cent.
A. $9624.43 B. $8126.65 C. $8046.19 D. $753.81
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Solve the problem.The magnitude of star A is 5 more than that of star B. How is their corresponding brightness related?
A. Star B is ? 1000 times brighter than star A. B. Star B is ? 90 times brighter than star A. C. Star B is ? 100 times brighter than star A. D. Star B is ? 110 times brighter than star A.
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Solve.xy - y2 = -6425xy - 9y2 = 0
A. 
, 
B. 
, 
C. 
, 
D. 
, 
Mathematics