Simplify the expression.(
+ 1)(
- 1)
A. 2 - 2
B. 2
C. 2 + 2
D. 4
Answer: B
Mathematics
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Decompose into partial fractions.
A. 
- 
- 
B. 
+ 
+ 
C. 
+ 
- 
D. 
+ 
- 
Mathematics
Find the equation for the graph of the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Simplify the ratio.
A. 
B. 
C. 
D. 
Mathematics
Add or subtract. Then simplify. If a denominator has two or more factors (other than monomials), leave it in factored form. Express the answer using the denominator of the first fraction when applicable.
+ 
A. 
B. 6
C. 
D. 0
Mathematics