Simplify the complex fraction.
A. 
B. 
C. 
D. 
Answer: A
Mathematics
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Solve the polynomial inequality. Express the solution using interval notation.x3 + 3x2 - x ? 3
A. (-?, -1] ? [1, 3] B. [-3, -1] ? [1, ?) C. [-1, 1] ? [3, ?) D. (-?, -3] ? [-1, 1]
Mathematics
Solve the system of equations algebraically for real values of x and y.
?
?
Please enter your answer as two ordered pairs in the form 
, 
. The pairs must be separated by a comma.
What will be an ideal response?
Mathematics
Factor the sum or difference of cubes.27y3 - 27
A. (3y + 1)(y2 - y - 1) B. 27(y - 1)(y2 + y + 1) C. (27(y - 1)(y2 + y + 1) D. 3(3y + 1)(3y2 - y - 1)
Mathematics
Find the exact value of the expression.cos 
A. 
B. 
C. 
D. 
Mathematics