Find the vertices and foci of the given ellipse.
+ 
= 1
A. Vertices: (0, 4) and (0, -4);
Foci: (0, 2
) and (0, -2
)
B. Vertices: (0, 16) and (0, -16);
Foci: (0, 4) and (0, -4)
C. Vertices: (4, 0)and (-4, 0)
Foci: (2
, 0) and (-2
, 0)
D. Vertices: (0, 16), (4, 0);
Foci: (0, 4) and (2, 0)
Answer: A
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Find the slope and the y-intercept of the given line.7x + 9y = 73
A. 
; 
B. - 
; 
C. 
; 
D. - 
; 
Solve the problem.If a given set has nine elements, how many of its subsets have at least five elements?
A. 255 subsets B. 256 subsets C. 32 subsets D. 130 subsets
Provide an appropriate response.To complete the square of 2x2 + 4x = 8, is it ever a good idea to divide by the coefficient of x2?
Fill in the blank(s) with the appropriate word(s).
Find the missing value. Round time to the nearest period, interest rate to the nearest whole percent per year, and money to the nearest cent.Principal: $36,785Compound amount: $51,555Interest rate: 8%Compounded: quarterlyTime: 
years
A. 3.26 B. 4.26 C. 5.26 D. 6.26