To find the distance across a river a surveyor chooses points A and B , 50 m apart and a reference point C on the opposite side of the river. Approximate the distance, b , between A and C given that ?A = 54° and ?B = 77°.
(a) 54.6m
(b) 77.6m
(c) 64.6m
(d) 45.6m
(e) 85.6m
(c) 64.6m
Mathematics
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A. 
B. 
C. 
D. 
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Evaluate each expression following the order of operations.
A. 5 B. 4 C. 3.873 D. 3
Mathematics
Factor the polynomial completely.- 12x3 + 9x2 + 4x4
A. (4x2 + 3)(x2 + 3) B. x2(4x - 1)(x - 9) C. x2(2x - 3)(2x - 3) D. x(2x + 3)(2x + 3)
Mathematics
Use dimensional analysis to convert the units. If necessary, round to the nearest tenth. 44 kg = 
lb
A. 111.8 lb B. 46.6 lb C. 19.8 lb D. 96.8 lb
Mathematics