Evaluate using the correct order of operation.
2× 
A. 
B. 
C. 
D. 
Answer: A
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Provide an appropriate response.Use the law of sines to solve the triangle ABC if a = 19, c = 15, and C = 105°. If there are two possibilities, find both solutions. Round sides to four significant digits and angles to the nearest 0.1°.
A. A = 49.7°, B = 25.3°, b = 8.406 B. A = 133.0°, B = 47.0°, b = 6.714 C. A = 133.0°, B = 47.0°, b = 6.714; A = 49.7°, B = 25.3°, b = 8.406 D. no solution
Solve the problem.If sin ? = - 
, and 
< ? < 2?, then find tan 2?.
A. 
B. - 
C. - 
D. 
Round to the nearest thousandth.1.1451
A. 1.146 B. 1.14 C. 1.145 D. 1.15
The measurement is 
W. Find the precision and the greatest possible error of the measurement.
A. The precision of the measurement is 100 W. The greatest possible error of the measurement is 5 W. B. The precision of the measurement is 1 W. The greatest possible error of the measurement is 0.5 W. C. The precision of the measurement is 10 W. The greatest possible error of the measurement is 5 W. D. The precision of the measurement is 10 W. The greatest possible error of the measurement is 50 W. E. The precision of the measurement is 100 W. The greatest possible error of the measurement is 50 W.