Solve for x in the proportion.
= 
A. ?2
B. 2
C. 
D. ?4
Answer: A
Mathematics
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Test the equation for symmetry with respect to the given axis, line, or pole.r = 2 + 2 cos ?; the line ? = 
A. Symmetric with respect to the line ? = 
B. May or may not be symmetric with respect to the line ? = 
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Perform the indicated operation.(2 + 
)(2 - 
)
A. -4
B. 10
C. -2
D. 2 - 2
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Solve. Simplify if possible.In a three-point shooting contest, a basketball player attempted 15 shots and made 14 of them. What is the ratio of shots made to shots attempted?
A. 
B. 
C. 15
D. 
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Find all solutions of the equation in the interval [0, 2?).cos 2x = 
A. 
B. 
, 
, 
, 
C. 
D. 
, 
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