Add. Simplify, if possible.
+ 
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Find the exact value of the expression.cos 
cos 
- sin 
sin 
A. 0
B. 1
C. -1
D. 
Mathematics
Convert the measure to the one that is underlined and then subtract.28.6 m - 2.27 dam
A. 26.33 m B. 28.373 m C. 5.9 m D. 283.73 m
Mathematics
Graph the parabola with the given equation.(x - 1)2 = -7(y + 2) 
A. 
B. 
C. 
D. 
Mathematics
Express the sum using summation notation.
- 
+ 
- ... + (-1)(9 + 1) 
9
A. 
k
B. 
C. 
k
D. 
k
Mathematics