Determine whether the positive or negative sign makes the equation correct.cos (5?/6) = ±
A. Negative sign
B. Positive sign
Answer: A
Mathematics
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Use the given bond table to find the requested value for Solar Energy bonds maturing in 2019. 
Close price per bond
A. $1019.51 B. $1048.94 C. $1066.26 D. $106.63
Mathematics
Use a half-angle formula to find the exact value of the expression.cos 
A. - 
B. 
C. 
D. - 
Mathematics
The area of a rectangle is 
. Its width is 
. Find its length.
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Simplify the expression. Assume that all variables are positive when they appear.7
? 10
A. 70
? 
B. 70
C. 70
D. 17
Mathematics