Solve the problem.The two circles have radii of 2 and 16 respectively. The distance between their centers is 32. What is x, the length of one of their common tangents?
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Clark is selecting new eyeglasses. He can choose styles A, B, or C in either the color black or orange. Construct a possibility tree that shows all possible choices that Clark can make.
A. 
B. 
C. 
D. 
Mathematics
Solve the equation on the interval 0 ? ? < 2?.cot 
= - 
A. 
B. 
C. 
D. 
Mathematics
Evaluate the derivative.f'(2) if f'(x) = 4x3 - 2x2 + 2x - 12
A. 16 B. 42 C. 56 D. 32
Mathematics
Find the length of the third side of the right triangle. Where appropriate, give both an exact answer and an approximation to three decimal places. 
A. 
? 5.745
B. 
? 1.548
C. 
? 2.397
D. 
? 1.244
Mathematics