Solve the equation by first clearing the fractions.- 
+ z = 
A. 
B. 
C. {1}
D. {-1}
Answer: C
Mathematics
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Solve the problem.A ball is dropped from a height of 21 m and always rebounds 
of the height of the previous drop. How far does it travel (up and down) before coming to rest?
A. 105 m B. 42 m C. 126 m D. 63 m
Mathematics
Solve the inequality and give the solution in interval notation.(b + 6)(b + 2)(b - 1) < 0
A. (-?, -2) B. (1, ?) C. (-?, -6) ? (-2, 1) D. (-6, -2) ? (1, ?)
Mathematics
Solve the system of equations.x1 - x2 + x3 = 8x1 + x2 + x3 = 6x1 + x2 - x3 = -12
A. (2, -1, 9) B. (-2, -1, -9) C. (2, -1, -9) D. (-2, -1, 9)
Mathematics
Graph the specified rational numbers. Estimate as needed.
A. 
B. 
C. 
D. 
Mathematics