Find z1z2. Write the answer in polar form with the argument between 0° and 360°.z1 = 1 - 
i, z2 =2 - 2i
A. 4(cos 345° + i sin 345°)
B. 4
(cos 345° + i sin 345°)
C. 4
(cos 255° + i sin 255°)
D. (2 + 2
)(cos 255° + i sin 255°)
Answer: C
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Solve the problem.Find the area of the shaded region. Express the answer in terms of ?. 
A. 
square units
B. 
? square units
C. 
? square units
D. 1? square units
Express as a single logarithm and, if possible, simplify.
log s + 3logm
A. log 
B. log 
C. log m3
D. log (m3+
)
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.x + y + z=92x - 3y + 4z=7x - 4y + 3z=-2
A. 
B. 
C. 
D. 
The information released on a particular corporation at closing shows a Chg of -2.35. What does this mean?
What will be an ideal response?