Evaluate the expression for the given replacement values. Write the answer in simplest form.x + y for x = - 
, y = - 
A. 
B. - 
C. - 
D. - 
Answer: C
Mathematics
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Find the length of the curve.The circle r = 4 sin ?
A. 16? B. 2? C. 4? D. 8?
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Solve the system using substitution.
A. 
B. no solution
C. 
D. 
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Evaluate.
2 ÷ 
A. 
B. 
C. 
D. 
Mathematics
Draw the angle in standard position and state the quadrant in which the terminal side of the angle lies or the axis on which the terminal side of the angle lies.
A. Quadrant I
B. Quadrant III
C. Quadrant III
D. Quadrant IV
Mathematics