Use the formula to find the value of the variable indicated. Use a calculator to save time and where necessary, round your answer to the nearest hundredth.P = 2l + 2w; find l when P = 24 and w = 4.
A. l = 8
B. l = 16
C. l = 20
D. l = 10
Answer: A
Mathematics
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B. 
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Find the eccentricity of the ellipse or hyperbola.x2 - 16y2 = 1
A. 4
B. 
C. 
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Find the extreme values of the function subject to the given constraint.
A. Maximum: 7 at 
minimum: -2 at 
B. Maximum: 7 at 
minimum: -5 at 
C. Maximum: 4 at 
minimum: -5 at 
D. Maximum: 4 at 
minimum: -2 at 
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A. 
B. 
C. 
D. 
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