Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 10(cos 45° + i sin 45°), z2 = 5(cos 15° + i sin 15°)
A. 50(cos 30° + i sin 30°)
B. 5(cos 60° + i sin 60°)
C. 5(cos 30° + i sin 30°)
D. 50(cos 60° + i sin 60°)
Answer: D
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Solve the problem.There were 550 people at a play. The admission price was $2.00 for adults and $1.00 for children. The admission receipts were $860. How many adults and children attended?
A. 240 adults and 310 children B. 120 adults and 430 children C. 310 adults and 240 children D. 215 adults and 335 children
Determine whether the sequence of vertices is i) a walk, ii) a path, iii) a circuit in the given graph.
B ? H ? F ? G
A. Walk only B. Walk and path C. None of these D. Walk, path, and circuit
Solve the problem.If the rectangle below is a golden rectangle (with x as the shorter side), then the approximate value of x is
A. 89.
B. 55.
C. 34.
D. 89 
.
E. none of these
Use the graph to answer the question.The graph shows the number of students per 10,000 who are enrolled in the indicated programs at a major university. How many students per 1000 are enrolled in Education? 
A. 442 B. 448 C. 224 D. 44.8