Solve the problem.The number of turns N required in a solenoid of length l (in m) is given by N = ,where L represents inductance (in appropriate units), ? is a constant, and A represents cross-sectional area (in square meters). If     and 

/> find the number of turns required, to the nearest whole turn.

A. 4400 turns
B. 10 turns
C. 500 turns
D. 250,000 turns

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Answer: C

Mathematics

Find the LCD for the fractions in the list., 

A. 45 B. 90 C. 30 D. 18

Use the graph or table to determine a solution of the equation. Use synthetic division to verify that this number is a solution of the equation. Then solve the polynomial equation.2x3 + 11x2 + 17x + 6 = 0

A. -2; The remainder is zero; -3, -2, and , or 
B. -2; The remainder is zero; -3, 2, and - , or 
C. -2; The remainder is zero; -3, -2, and - , or 
D. -2; The remainder is zero; 3, -2, and - , or 

Simplify the expression. ? ?

A.
B.
C. 0
D.
E.

Tell whether the following is an expression or an equation.5x4 = -6x

A. Equation B. Expression