Determine whether the proportion is true or false.
= 
A. True
B. False
Answer: B
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. 0 B. 1 C. does not exist D. e20
In the LORAN (LOng RAnge Navigation) radio navigation system, two radio stations located at A and B transmit simultaneous signals to a ship or an aircraft located at P. The onboard computer converts the time difference in receiving these signals into a distance difference |A| - |B|, and this, according to the definition of a hyperbola, locates the ship or aircraft on one branch of a hyperbola (see the figure). Suppose that station B is located L = 480 mi due east of station A on a coastline. A ship received the signal from B 1280 microseconds (?s) before it received the signal from A. Assuming that radio signals travel at a speed of 1000 ft/?s and if the ship is due north of B, how far off the coastline is the ship? Round your answer to the nearest mile.
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Solve the equation. Express radicals in simplest form.9x2 - 64 = 0
A. 
, - 
B. 
, 8
C. 
, - 
D. 0, 
From the given list, identify the proper fractions.
, 
, 
, 
A. 
, 
, 
B. 
, 
, 
C. 
, 
D. 
, 
, 