Write out the first five terms of the sequence.{cn} = 
A. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
B. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
C. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
D. c1 = 
, c2 = 
, c3 = 
, c4 = 
, c5 = 
Answer: A
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Solve the problem.A surveyor standing 54 meters from the base of a building measures the angle to the top of the building and finds it to be 35°. The surveyor then measures the angle to the top of the radio tower on the building and finds that it is 50°. How tall is the radio tower? Round to the nearest hundredth when necessary.
A. 26.54 meters B. 9.52 meters C. 10.39 meters D. 14.47 meters
Solve the problem.The loudness of a sound is measured in decibels (dB). The loudness L of a sound is related to its intensity I by the equation 
where I0 = 10-12 watts per square meter (W/m2) is the intensity of the faintest sound the human ear can detect. Find the intensity of a 70 dB sound.
A. I = 10-5 W/m2 B. I = 1019 W/m2 C. I = -510 W/m2 D. I = 10688 W/m2
Find all cube roots of the complex number. Leave answers in trigonometric form.-3
+ 3i
A. 
cis 50°, 
cis 170°, 
cis 290°
B. 
cis 70°, 
cis 190°, 
cis 310°
C. 
cis 70°, 
cis 190°, 
cis 310°
D. 
cis 50°, 
cis 170°, 
cis 270°
Express the indicated number in standard notation or trigonometric notation, as directed.Express the indicated number in standard notation. 
A. -2 + 4i B. 4 - 2i C. 4 + 2i D. -2 - 4i