Use Cramer's Rule (if applicable) to solve the system of equations.
A. {(-4, 6)}
B. {(-6, -4)}
C. {(4, -6)}
D. {(6, -4)}
Answer: A
Mathematics
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Use properties to perform the calculations. Express answer in simplest form.10 ? 
- 
? 
A. -1
B. 
C. 
D. 
Mathematics
Solve the inequality.(x + 1)(x - 3) ? 0
A. (-?, -1] or [3, ?) B. (-?, -1] C. [-1, 3] D. [3, ?)
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Find 
.
?
?
A. 
B. 
C. 
D. 
E. 
Mathematics
Provide an appropriate response.Derive the identity: tan
= 
What will be an ideal response?
Mathematics