Find the exact value of the expression.cos 210°
A. - 
B. - 
C. 
D. 
Answer: A
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Find the equation of the conic with the given characteristics.Ellipse with foci at (-1, 5), and (-5, 5); vertex at (-8, 5)
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Determine whether the ordered pair is a solution to the inequality.5x + 2y ? 29; (5, 2)
A. Yes B. No
Solve the problem.In Antartica, the high temperatures for the last four days have been 17.2°F, 5.6°F, 
and 
What is the average high temperature for this 
period?
A. 11.7°F B. 11.1°F C. 12.35°F D. 9.72°F
Find the vertices and foci of the given ellipse.3x2 + 5y2 = 15
A. Vertices: (
, 0) and (-
, 0);
Foci: (
, 0) and (-
, 0)
B. Vertices: (0, 
) and (0, -
);
Foci: (0, 
) and (0, -
)
C. Vertices: (5, 0) and (-5, 0);
Foci: (2, 0) and (-2, 0)
D. Vertices: (0, 
) and (0, -
);
Foci: (0, 
) and (0, -
)