Find the area of the shaded region. Use 3.14 to approximate ?, if needed. Round to the nearest tenth if necessary.
A. 1133.5 sq ft
B. 310.5 sq ft
C. 4534.2 sq ft
D. 2577.5 sq ft
Answer: B
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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
Give the domain, range, or period, as requested.Period of y = 
sin x
A. 4
B. 
C. ?
D. 2?
Write the shaded area in the figure as a mixed number and as an improper fraction.
A. 4
; 
B. 1
; 
C. 2
; 
D. 1
; 
Which method should be used to solve the system? Explain your answer, including a description of the first step.-9x2 - 7y2 =4-3x - 3y =-2
What will be an ideal response?