Find the standard form of the equation of the ellipse with the given characteristics and center at the origin.
?
Vertices: (0,±7); focies: (0,±4)
?
A. 
B. 
C. 
D. 
E. 
Answer: A
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Provide an appropriate response.Which of the following are factors in the amount of damage caused by an earthquake?
A. The amount of energy released in surface waves as compared to interior waves B. The economy of the region hit by the earthquake C. All of these D. The type of surface bedrock near the quake
Solve the problem.Find the present value of a loan with an annual interest rate of 
and periodic payments of 
for a term of 8 years, with payments made and interest charged 12 times per year.
A. $112,874.87 B. $45,149.95 C. $56,437.43 D. $101,587.38
Solve the problem.An arch in the form of a semiellipse is 52 ft wide at the base and has a height of 20 ft. How wide is the arch at a height of 12 ft above the base?
A. 41.6 feet B. 20.8 feet C. 17.7 feet D. 35.5 feet
Write the slope-intercept form of the equation for the line passing through the given pair of points.(-5, -3) and (-1, -6)
A. y = - 
x - 
B. y = - 
x - 
C. y = 
x - 
D. y = 
x - 