Find the center and foci of the ellipse.





A) center: (–9, 5) foci: (–9, 3), (–9, 7)

B) center: (9, –5) foci: (9, –7), (9, –3)

C) center: (9, –5) foci: (7, –5), (11, –5)

D) center: (–9, 5) foci: (–11, –5), (–7, –5)

E) center: (9, –5) foci: (–11, 5), (–7, 5)


B) center: (9, –5) foci: (9, –7), (9, –3)

Mathematics

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Simplify the rate and write the result in words.

A. ; 16 goals for every 17 soccer games
B. ;  
48 goals for every 17 soccer games
C. ; 17 goals for every 16 soccer games
D. ; 17 soccer games for every 16 goals

Mathematics

Find an equation of a parabola satisfying the given conditions.Focus at (8, 3), directrix y = -1

A. (x - 3)2 = 8(y - 1) B. (x - 8)2 = 8(y - 3) C. (y - 3)2 = 8(x - 8) D. (x - 8)2 = 8(y - 1)

Mathematics

Solve.y1/3 - 5 = 1

A. 1
B. 36
C.
D. 216

Mathematics

Divide.

A. 7r2 - 2r - 7
B. r2 + 7r + 2
C. 7r2 + 2r + 7
D. 7r2 + 2r +  

Mathematics