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. 5(cos 60° + i sin 60°)
B. 50(cos 60° + i sin 60°)
C. 5(cos 30° + i sin 30°)
D. 50(cos 30° + i sin 30°)
Answer: B
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Solve.m - 1 ? -5
A. m ? 4 B. m ? -4 C. m ? -6 D. m ? 6
Solve the problem.Suppose that the cost, p, of shipping a 3-pound parcel depends on the distance shipped, x, according to the function p(x) depicted in the graph. Is p continuous at 
at 
at 
at 
A. Yes; no; yes; no B. Yes; yes; yes; no C. No; no; yes; no D. Yes; no; no; no
Simplify the complex rational expression using Method I or Method II.
A. 
B. 
C. 
D. 
Solve the problem by using addition, subtraction, multiplication, or division as needed.An employee was paid $34,419 during the first half of last year. During the second half she was paid $65,286. How much more was her income during the second half?
A. $99,704 B. $99,705 C. $30,866 D. $30,867