Find A-1, if it exists.A = 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Multiply and simplify.
? 
A. 
B. 
C. 
D. 
Mathematics
Find the distance between the pair of points on the number line.
, 
A. 
B. 
C. 
D. 
Mathematics
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. 6 ohms B. 3.5 ohms C. 18 ohms D. -1 ohms
Mathematics
Find the LCD of the list of fractions.- 
, - 
A. 19 + k B. 19 C. -19k D. 19k
Mathematics