Find the indicated roots.Seventh roots of 1; trigonometric form
A. -1, cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
,
cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
B. 1, cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
,
cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
C. 1, cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
,
cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
D. -1, cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
,
cos 
+ sin 
, cos 
+ sin 
, cos 
+ sin 
Answer: B
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A. 11.75 ft B. 5.87 ft C. 138 ft D. 552 ft
Use the figure to answer the question.This double-bar graph shows the number of male (M) and female (F) athletes at a university over a 
period.
2009201020112012YearWhat is the only year in which the number of female athletes declined from its previous value?
A. 2011 B. 2009 C. 2010 D. 2012
Translate the phrase to an algebraic expression. Use "x" to represent "a number". A number subtracted from - 
A. - 
- x
B. x - 
C. 
- x
D. x - 
Graph the region described by the inequality.y ? 8 
A. 
B. 
C. 
D. 