Find the area of the figure. Use 3.14 for ?.
A. 17.7582 cm2
B. 39.614 cm2
C. 35.5163 cm2
D. Not enough data
Answer: C
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Perform the indicated operation. Simplify, if possible.
+ 
- 
A. 
B. 
C. 
D. 
Solve the problem.Maxwell's theory of electromagnetic waves established that electromagnetism moved through space in waves. Under certain conditions, an equation that Maxwell used to explain the motion of such waves would take the form 
where ? is the angle of incidence of the original wave, ? is the angle of incidence of the wave when reflected, A is the amplitude of the original wave, and B is the amplitude of the wave when reflected. Find the value of 
when 
-4.0px;" /> and 
Round to four decimal places.
A. 0.3417
B. -0.9245
C. 0.4789
D. -0.3492
Write the complex number in trigonometric form r(cos ? + i sin ?), with ? in the interval [0°, 360°).4
- 4i
A. 8(cos 300° + i sin 300°) B. 8(cos 60° + i sin 60°) C. 8(cos 330° + i sin 330°) D. 8(cos 30° + i sin 30°)
Graph the function.y = -1 - tan (x + 
) 
A. 
B. 
C. 
D. 