Graph the ellipse and locate the foci.
+ 
= 1 
A. foci at (0, 
) and (0, -
)
B. foci at (0, 5) and (0, -5)
C. foci at (5, 0) and (-5, 0)
D. foci at (0, 6) and (0, -6)
Answer: B
Mathematics
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, using the indicated point in the kth subinterval for ck.f(x) = cos x + 4, [0, 2?], left-hand endpoint
A. 
B. 
C. 
D. 
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For an oblique regular hexagonal pyramid, the name of the base is: and the name of the lateral faces is:
What will be an ideal response?
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Use the given information to find the exact value of the trigonometric expression.sin ? = - 
; 
< ? < 2?
Find cos(2?).
A. 
B. - 
C. 
D. - 
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Evaluate the expression.16 ÷ 
A. 8 B. 64 C. 16 D. 4
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