Evaluate the expression.
A. 140
B. 70
C. 35
D. 1680
Answer: B
Mathematics
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Simplify.
A. 
B. 1
C. 1 - a2
D. 
Mathematics
Find the exact value in radians.csc-1 (2)
A. 
B. 
C. - 
D. - 
Mathematics
Determine the position of the hand relative to the shoulder by considering the robotic arm illustrated in the figure. Round the answer to the nearest tenth.? = 13°, ? = 73°
A. (17.1, -27.7°) B. (17.1, -62.3°) C. (17.1, 27.7°) D. (17.1, 62.3°)
Mathematics
Solve by trial.54 ÷ n = 9
A. 8 B. 6 C. 4 D. 7
Mathematics