Use the given information to find the exact value of the expression.sin ? = 
, ? lies in quadrant II, and cos ? = 
, ? lies in quadrant I
Find cos (? - ?).
A. 
B. 
C. 
D. 
Answer: D
Mathematics
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A. parallelogram B. rectangle C. square D. rhombus
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Convert.53.4 hectometers = _____ decimeters
A. 53,400 B. 5.34 C. 5340 D. 534
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Find the standard form equation for the circle.Center (-4, 0), radius 9
A. x2 + (y + 4)2 = 9 B. (x + 4)2 + y2 = 81 C. x2 + (y - 4)2 = 9 D. (x - 4)2 + y2 = 81
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