Simplify.
? 
+ 
? 
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Find the fraction of a circle that encloses the given angle.30°
A. 
B. 
C. 
D. 
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Determine whether or not the equation is quadratic.9x2 = 3 - x
A. Not quadratic. B. Quadratic.
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Sketch the graph of the parabola.y = -4x2 - 2x + 2
A. 
B. 
C. 
D. 
Mathematics
Identify the radicand and index.
A. 
; 2
B. y - 2; 2
C. y + 2; 1
D. 
; 1
Mathematics