Determine the center, foci, and vertices of the ellipse.81x2 + 25y2 = 2025
A. center at (0, 0)
foci at (0, 9) and (5, 0)
vertices at (0, 81) and (25, 0)
B. center at (0, 0)
foci at (0, - 2
) and (0, 2
)
vertices at (0, -9), (0, 9)
C. center at (0, 0)
foci at (0, -9) and (0, 9)
vertices at (0, -81), (0, 81)
D. center at (0, 0)
foci at (- 2
, 0) and (2
, 0)
vertices at (-9, 0), (9, 0)
Answer: B
Mathematics
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A. -3
B. 5
C. 3
D. -9
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2
A. 1 × 105 B. 2 × 105 C. 1 × 106 D. 2 × 106
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Convert as indicated. If necessary, round to two decimal places.66 kilograms to pounds
A. 29.7 lb B. 167.64 lb C. 145.2 lb D. 69.96 lb
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Divide using long division.
A. x + 9
B. 
C. x + 8 - 
D. x + 8 + 
Mathematics