Find 
. Write your answer in standard polar form with the argument in radians.z1 = 12(cos 33° + i sin 33°), z2 = 3(cos 5° + i sin 5°)
A. 4(cos 38° + i sin 38°)
B. 4(cos 28° + i sin 28°)
C. 9
D. 9(cos 28° - i sin 28°)
Answer: B
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Solve.Given 0.11 centimeters is one side of a golden rectangle, find the length of the other side. Notice that the other side could be either longer or shorter than the given side. Use the approximation 
A. 0.29 cm or 23.82 cm B. 0.18 cm or 14.73 cm C. 0.29 cm or 0.04 cm D. 0.18 cm or 0.07 cm
Solve the problem.The matrix 
rotates a point 45° clockwise about the origin, and the matrix 
rotates a point 30° counterclockwise about the origin. Use these matrices, as needed, to find the coordinates of the new location of the point 
when it is rotated 15° counterclockwise about the origin.
A. 
B. 
C. 
D. 
Perform the addition.27.25 + 9.06 + 0.948
A. 19.138 B. 17.242 C. 35.362 D. 37.258
Convert the angle from radians to degrees.
A. 599° B. 602° C. 600° D. 601°