Simplify the expression. Select the correct answer.
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a. 25
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Find the limit of the sequence or determine that the limit does not exist.an = 
A. e2 B. 0 C. does not exist D. ln 2
Solve the problem.A plane flying a straight course observes a mountain at a bearing of 30.1° to the right of its course. At that time the plane is 
from the mountain. A short time later, the bearing to the mountain becomes 40.1°. How far is the plane from the mountain when the second bearing is taken (to the nearest tenth of a km)?
A. 14.6 km B. 7.8 km C. 5.2 km D. 12.8 km
Provide the proper response.How many real number cube roots does any positive number have?
Fill in the blank(s) with the appropriate word(s).
Solve the problem.An object has a frequency of 3 vibrations per second. Write an equation in the form d = sin ?t for the object's simple harmonic motion.
A. d = sin 
t
B. d = sin 
?t
C. d = sin 6t
D. d = sin 6?t