Multiply or divide, as indicated. Simplify the answer.
A. 5i
B. 5
C. -5
D. -5i
Answer: A
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Find the area of the specified region.Inside the lemniscate r2 = 4 sin 2? and outside the circle r = 
A. 
(3
- ? + 6)
B. 
(3
- ?)
C. 
D. 
(2? + 3
)
Provide an appropriate response.Simplify: 
A. 
B. 
C. 
D. 
Use the table to determine the probability. Round your answer to three decimal places if necessary.The table gives the number of degrees earned in a certain university in the 2007-2008 academic year.
If a student receiving a degree is randomly selected, what is the probability that the degree recipient is a female who earned a professional degree?
A. 0.98 B. 0.048 C. 0.02 D. 0.035
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation to the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 4 hundred thousand B. 5.5 hundred thousand C. 5 hundred thousand D. 4.5 hundred thousand