Express the rational expression in lowest terms.
A. Already in lowest terms
B. 1
C. -1
D. 
Answer: D
Mathematics
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Find the mode (if any) of the list of data.15, 15, 19, 19, 15, 16, 19, 15
A. 15 B. 16 C. 17 D. 18 E. 14
Mathematics
Evaluate the cylindrical coordinate integral.
A. 
B. 
C. 
D. 
Mathematics
Use l'H
pital's rule to find the limit.
A. - 
B. 0
C. 
D. 
Mathematics
Use Gauss-Jordan elimination to solve the linear system and determine whether the system has a unique solution, no solution, or infinitely many solutions. If the system has infinitely many solutions, describe the solution as an ordered triple involving variable z.4x - y + 3z=12x + 4y + 6z=-325x + 3y + 9z=20
A. (8, -7, -2) B. (2, -7, -1) C. no solution D. (-8, -7, 9)
Mathematics