Evaluate the expression, given x = -2, y = 3, and a = -4.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Solve the problem.Two angles of a triangle are 50° and 100°. What is the measure of the third angle?
A. 210° B. 150° C. 30° D. -60°
Mathematics
Graph the polar equation for ? in [0°, 360°).r = 4 + 4 sin ?
A. 
B. 
C. 
D. 
Mathematics
Graph the function.y = 
sin 
A. 
B. 
C. 
D. 
Mathematics
Solve the equation symbolically.20y = 11
A. 5.5 B. 0.055 C. 0.55 D. 9
Mathematics