Classify the sequence as arithmetic, geometric, Fibonacci, or none of these and supply the next term.
?
3, 4, 5, 6, ...
?
A. Fibonacci and a5 = 11
B. Geometric and a5 = 15
C. None and a5 = 50
D. Arithmetic and a5 = 7
E. Geometric and a5 = 7
Answer: D
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A. 
B. 
C. 
D. 
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. Select the correct answer.
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Convert the given quantity to the desired unit. Round to the nearest tenth if necessary.152 lb to kg
A. 334.8 kg or 334.4 kg B. 498.4 kg C. 46.4 kg D. 69 kg or 69.1 kg
Parametric equations and a value for the parameter t are given. Find the coordinates of the point on the plane curve described by the parametric equations corresponding to the given value of t.x = 4 + 5 cos t, y = 6 + 4 sin t; t = 
A. (4, 10)
B. (9, 6)
C. (4, 8)
D. 