Make an approximate conversion as indicated. Round to the nearest tenth. The precise value of your approximation will depend on the conversion path that you choose.166 lb = 
kg
A. 365.2 kg
B. 74.7 kg
C. 176.0 kg
D. 421.6 kg
Answer: B
Mathematics
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Find the velocity vector in terms of ur and u?.r = a(7 - cos ?) and 
= 5
A. v = (5a cos ?)ur + 5a(7 - sin ?)u? B. v = 5a(7 - cos ?)ur + (5a sin ?)u? C. v = (5a sin ?)ur + 5a(7 - cos ?)u? D. v = (7a sin ?)ur + 7a(5 - cos ?)u?
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Graph the integrand and use geometry to evaluate the integral.
A. 144 B. 48 C. 18 D. 288
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Evaluate the expression. Write answer without exponents.
1/2
A. 
B. 
C. 
D. 
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Use the given data to complete the frequency table.On a math test, 24 students got the following scores. Use the data to complete the given frequency table. 
A. 
B. 
C.
D. 
Mathematics