Simplify the rational expression. If the rational expression cannot be simplified, so state.
A. 
B. 
C. 
D. 
Answer: B
Mathematics
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Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Find all horizontal asymptotes of the given function, if any.h(x) = 
A. y = 0
B. y = 
C. y = 
D. no horizontal asymptotes
Mathematics
Use elimination by substitution to find the solution for the following system.
A. x = -5, y = -2 z = -1 B. x = -1, y = -2, z = -5 C. x = -5, y = -1, z = -2 D. The system is inconsistent.
Mathematics
Let A = {3, 4, 5, 6, 7} and define a relation R on A as follows: for all x, y ? A,
Mathematics