Multiply and simplify.
? 
A. 2xy
B. 2xy2
C. 2x2y2
D. xy
Answer: A
Mathematics
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Solve the inequality. Graph the solution on a number line and represent the solution in interval notation when possible.x - 2 < -5
A. x ? -3
(-?, -3]
B. x > -3 
(-3, ?)
C. x ? -3 
[-3, ?)
D. x < -3 
(-?, -3)
Mathematics
Rationalize the denominator. Assume variables represent non-negative values.
A. 
B. 
C. 6y
D. 6
Mathematics
Perform the indicated operations.(-2x + 4) + (9x - 14) - (3x - 30)
A. 4x + 20 B. -4x - 20 C. 10x - 40 D. 4x - 40
Mathematics
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."5x3 - 135
A. 5(x - 15)(x2 + 15x + 45) B. 5(x - 3)(x2 + 3x + 9) C. 5(x + 3)(x2 - 3x + 9) D. 5(x - 3)(x2 - 3x + 9)
Mathematics