Find the standard form of the equation of the ellipse with the given characteristics and center at the origin.
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Focies: (±7,0); major axis of length 16
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A. 
B. 
C. 
D. 
E. 
Answer: A
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Use the given transformation to evaluate the integral.
Rwhere R is the interior of the ellipsoid 
A. 24?
B. 36?
C. 
?
D. 30?
Solve the system by substitution.
A. (-4, -13) B. (-13, -4) C. (2, 3) D. (0, 0)
A small country consists of four states. The population of State A is 67,200, the population of State B is 78,300, the population of State C is 73,800, and the population of State D is 80,700. The total number of seats in the legislature is 100.Under Adams's method the apportionments to each state are
A. State A: 22 seats; State B: 26 seats; State C: 24 seats; State D: 26 seats. B. State A: 23 seats; State B: 26 seats; State C: 24 seats; State D: 27 seats. C. State A: 22 seats; State B: 26 seats; State C: 25 seats; State D: 27 seats. D. State A: 22 seats; State B: 26 seats; State C: 24 seats; State D: 28 seats. E. none of these
Perform the indicated operation.
A. 
B. - 
C. 
D. 