Write an equivalent expression without using parentheses.-(-8 + 9y)
A. 8 + 9y
B. -8 + 9y
C. 72y
D. 8 - 9y
Answer: D
Mathematics
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Determine either absolute convergence, conditional convergence or divergence for the series.
A. Converges absolutely B. Converges conditionally C. Diverges
Mathematics
Solve the problem.Find the foci and asymptotes of the following hyperbola:4y2 - 25x2 = 100
A. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
B. Foci: (
, 0), (-
, 0); Asymptotes: y = 
x, y = - 
x
C. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
D. Foci: (0, 
), (0, -
); Asymptotes: y = 
x, y = - 
x
Mathematics
Graph the function.y = 2 tan 4x
A. 
B. 
C. 
D. 
Mathematics
Solve the system of equations.
A. {(0, 0, -1)} B. {(0, -1, 0)} C. {(0, -1, 1)} D. {(-1, 0, -1)}
Mathematics