Solve the problem.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. 402 ohms
B. 387.5 ohms
C. 390 ohms
D. 383 ohms
Answer: C
Mathematics
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Determine if the function is even, odd, or neither.f(x) = 7x4 + 6x + 5
A. Even B. Odd C. Neither
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Find the exact value of the expression using the provided information.Find sin(A + B) given that cos A = - 
, with A in quadrant III, and 
with B in 
A. 
B. 
C. 
D. 
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Provide an appropriate response.Find the rate when the portion is $87 and the base is $480.
A. 0.18125% B. 18.125% C. 5.5172% D. 55.172%
Mathematics
Solve and graph the solutions.
< 7
A. 
B. 
C. 
D. 
Mathematics