Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A vertex at (0, 7) and a focus at (0, -10).

A.  -  = 1
B.  -  = 1
C.  -  = 1
D.  -  = 1


Answer: C

Mathematics

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Solve the system of linear equations.-7x - 11 = -6y 4x - 2y = -12

A. (-6, -3) B. No solutions C. (-5, -4) D. (-5, -3)

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Subtract.-  - 

A. - 
B.
C. - 1
D. 1

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Determine the work done by a crane lifting a 2,800-pound car 7 feet.

A. 19,600 ft-lb B. 19,620 ft-lb C. 19,610 ft-lb D. 19,640 ft-lb E. 19,630 ft-lb

Mathematics