Write the equation of the ellipse that has its center at the origin with focus at  and major axis equal to 16.
? 

A.
B.
C.
D.
E. none of these

Answer: A

Mathematics

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Solve the problem.Mrs. Montoya installed  -inch roofing shingles on top of a  -inch vapor barrier. What was the combined thickness of the two materials?

A.  inch
B.  inch
C.  inch
D.  inch

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Solve the problem.A carousel has a radius of 19 feet and takes 34 seconds to make one complete revolution. What is the linear velocity of the carousel at its outside edge? Express the answer in feet per second rounded to two decimal places if needed.

A. 119.38 feet per second B. 11.24 feet per second C. 3.51 feet per second D. 0.56 feet per second

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Determine the area of the shaded region in the figure. Use 3.14 for ? if necessary. 

A. 64 sq. cm B. 13.76 sq. cm C. 50.24 sq. cm D. 16 sq. cm

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Solve the equation.4(2y - 4) = 7(y + 3)

A. {37} B. {5} C. {-5} D. {9}

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Mathematics