Find an exact value.sin 105°
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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For the number listed, find its opposite.-2.1
A. 
B. -2.1
C. 
D. 2.1
Mathematics
Find the area of a sector with central angle 120° in a circle with radius 12 m.
 figure 1.png)
Mathematics
Determine whether the graph of the given equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = x + 
A. No symmetry B. Origin C. y-axis D. y-axis, origin
Mathematics
Factor. Assume that variables used as exponents represent positive integers.x2n - 13xn + 42
A. (xn - 7)(xn - 6) B. prime polynomial C. (xn + 7)(xn - 6) D. (xn + 7)(xn + 1)
Mathematics