Simplify the rational expressions.
A. 
B. 
C. 
D. 
Answer: C
Mathematics
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Solve the problem.Construct a possibility tree that shows all possible 3-letter code words using only the letters p, q, and r without repetition.
A. 
B. 
C. 
D. 
Mathematics
Decide whether or not the set is closed under addition.{n ? N: n ? 53}
A. Not closed B. Closed
Mathematics
Provide an appropriate response.If f(x, y, z) = (2x + y2 + z)3, then 
=
A. 24y B. 2x + y2+ z C. 3 + 2y D. 6(2x + y2 + z) E. 0.
Mathematics
Find an equation of the secant line containing (1, f(1)) and (2, f(2)).f(x) = 
A. y = (
- 9)x - 
+ 18
B. y = (-
- 9)x - 
+ 18
C. y = (-
+ 9)x + 
- 18
D. y = (
- 9)x + 
- 18
Mathematics