Solve the equation.4
= 
A. 
B. 
C. 
D. 
Answer: D
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Solve.The electrical resistance of a given length of wire is inversely proportional to the square of the diameter of the wire: 
= 
.If a certain length of wire with a diameter of 41.759 mils has a resistance of 8.475 ohms, what is the resistance of the same length of the same composition wire with a diameter of 30.979 mils?
A. 11.285 ohms B. 7.855 ohms C. 15.399 ohms D. 16.407 ohms
Divide. Leave your answer in exponent form. Assume that all variables in any denominator are nonzero.
A. 40mn5 B. 5mn5 C. 5n5 D. 5m9n25
Rationalize the denominator. Assume that all radicands represent positive real numbers.- 
A. - 
B. - 
C. -3
D. -28
Determine if the graph is symmetric with respect to x-axis, y-axis, and/or the origin.
A. Origin B. y-axis C. x-axis D. x-axis, origin