Find the foci of the ellipse whose equation is given.16(x + 2)2 + 9(y - 1)2 = 144
A. foci at (-1, 1 - 
) and (-1, 1 + 
)
B. foci at (1, -2 - 
) and (1, -2 + 
)
C. foci at (-2, 1 - 
) and (-2, 1 + 
)
D. foci at (2, 1 - 
) and (2, 1 + 
)
Answer: C
Mathematics
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Integrate the function.
dy
A. 
+ C
B. 
- sin-1y + C
C. 
- sin-1
+ C
D. 
- sin-1
+ C
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Find the annual amount of depreciation using the straight-line method. Round to the nearest dollar.Cost:$460Estimated life:8 yearsEstimated scrap value:$92
A. $46 B. $12 C. $92 D. $58
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Solve the system by graphing on a calculator. Round to the nearest hundredth if necessary.y = log10(x + 8)y = x2
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Perform the indicated operation.27 + (-33)
A. 60 B. 6 C. -60 D. -6
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