Solve the problem. Round to the nearest tenth unless indicated otherwise.The resistance of a wire varies directly as the length of the wire and inversely as the square of the diameter of the wire. A 20 foot length of wire with a diameter of 
has a resistance of 
What would the resistance be for a 
length, with diameter 
of the same kind of
wire ?
A. 315 ohms
B. 312.5 ohms
C. 308 ohms
D. 327 ohms
Answer: A
Mathematics
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Graph the ellipse. Label the intercepts.
+ 
= 1
A. (-3, 0), (3, 0), (0, -3), (0, 3)
B. (-12, 0), (12, 0), (0, -3), (0, 3)
C. (-12, 0), (12, 0), (0, -12), (0, 12)
D. (-3, 0), (3, 0), (0, -12), (0, 12)
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Graph the polynomial function. f(x) = -2x3(x - 2)2(x - 1)
A. 
B. 
C. 
D. 
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Find the consumer surplus at the equilibrium point.D(x) = (x - 3)2; x = 
A. $4.50 B. $3.25 C. $4.33 D. $7.28
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Simplify.
A. 
B. 
C. - 
D. 
Mathematics