Use a calculator to find the value of the expression rounded to two decimal places.sin-1(-0.3)
A. -0.30
B. 1.88
C. 107.46
D. -17.46
Answer: A
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Find the area of the specified region.Inside the circle r = 2 cos ? + 3 sin ?
A. 
+ 3
B. 
C. 
D. 3?
Use the Consumer Price Index below to answer the question.
Suppose you needed $54,000 to maintain a particular standard of living in 2000. How much would you have needed in 1986 to maintain the same standard of living? If necessary, round values to the nearest thousandth.
A. $36,000 B. $33,000 C. $85,000 D. $34,000
Rationalize the denominator.
A. 58
B. 
C. 9
D. 
Find the expected value.Mr. Cameron is sponsoring an summer concert. He estimates that he will make $300,000 if it does not rain and make $60,000 if it does rain. The weather bureau predicts the chance of rain is 0.34 for the day of the concert. What are Mr. Cameron's expected concert earning?
A. $300,000 B. $360,000 C. $60,000 D. $218,400