?Find the limit.
?
?
?

A. ??
B. ?1
C. ?0
D.
E.


Answer: C

Mathematics

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Solve.Martha can rake the leaves in her yard in 3 hours. Her younger brother can do the job in 4 hours. How long will it take them to do the job if they work together?

A.  hr
B.  hr
C. 12 hr
D. 4 hr

Mathematics

Perform row operations on the augmented matrix as far as necessary to determine whether the system is independent, dependent, or inconsistent. -x - y - z =  2 x + y + z = -8 x + y - z = -6

A. Dependent B. Independent C. Inconsistent

Mathematics

Find the center, transverse axis, vertices, foci, and asymptotes of the hyperbola.49y2 - 64x2 = 3136

A. center at (0, 0)
transverse axis is y-axis
vertices: (0, -8), (0, 8)  
foci: (- , 0) , (, 0)
asymptotes of y = -  and y = 
B. center at (0, 0)
transverse axis is y-axis
vertices at (0, -8) and (0, 8)  
foci at (0, - ) and (0, )
asymptotes of y = -  and y = 
C. center at (0, 0)
transverse axis is x-axis
vertices: (-7, 0), (7, 0)  
foci: (- , 0) , (, 0)
asymptotes of y = -  and y = 
D. center at (0, 0)
transverse axis is x-axis
vertices: (-8, 0), (8, 0)  
foci: (-7, 0), (7, 0)
asymptotes of y = -  and y = 

Mathematics

Find percent notation.

A. 430% B. 43% C. 0.43% D. 4.3%

Mathematics