Simplify.9 × 0.4 + 1.1 ÷ 2 - 0.22

A. 7.21
B. 11.31
C. 2.41
D. 4.11

Answer: D

Mathematics

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The terminal side of ? in standard position contains the given point. Find the values of the six trigonometric functions of ?.(3, )

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cos ? = 
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A.  + ln + C
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