Find the vertices and foci of the ellipse.81x2 + 36y2 = 2,916
A. Vertices: (±6, 0); Foci: (±3
, 0)
B. Vertices: (0, ±6); Foci: (0, ±3
)
C. Vertices: (0, ±9); Foci: (0, ±3
)
D. Vertices: (±9, 0); Foci: (±3
, 0)
Answer: C
Mathematics
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Sketch the graph of the function.y = ln 
A. 
B. 
C. 
D. 
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A solution containing 15.0mL of alcohol in 250.mL of solution. What is the percent concentration of this alcohol solution?
A. 0.06%V/V B. 6.0%V/V C. 6.0% D. 0.06%
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Use the graph. Provide an appropriate response. Write numeric answers in standard form. 
Round the total pension income in 2005 to the nearest billion.
A. $241,000,000,000 B. $243,000,000,000 C. $242,000,000,000 D. $240,000,000,000
Mathematics
Perform the indicated operation.3200 ml + 2.3 L (in liters)
A. 5500 L B. 233.2 L C. 34.3 L D. 5.5 L
Mathematics