Find the missing length(s) in the right triangle. Give an exact answer and, where appropriate, an approximation to three decimal places.
A. a = 
? 7.778; b = 
? 7.778
B. a = 11
? 15.556; b = 
? 7.778
C. a = 11
? 15.556; b = 11
? 15.556
D. a = 
? 7.778; b = 11
? 15.556
Answer: A
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate the given binomial coefficient.
A. 120 B. 10 C. 40 D. 20
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Solve the equation.
+ 
= 
A. 
B. 
C. 
D. 
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The vector v has initial position P and terminal point Q. Write v in the form ai + bj; that is, find its position vector.P = (-2, 6); Q = (3, 2)
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