Perform the division.(x4 - 81) ÷ (x + 3)
A. x3 - 3x2 + 9x - 27
B. x3 + 3x2 + 9x + 27
C. x2 + 3x + 9
D. x3 + 3x2 - 9x + 27
Answer: A
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Perform the indicated operation.7x2(8x7 - 4x4 - 11)
A. 56x9 - 4x4 - 11 B. 56x9 - 28x6 - 77x2 C. 56x7 - 28x4 - 77 D. 56x9 - 28x6
Use the given information to write an equation. Let x represent the number described in the exercise. Then solve the equation and find the number.seven more than a number is equal to twelve.
A. x = 12 + 7, x = 19 B. x + 7 = 12, x = 5 C. 7 - x = 12, x = -5 D. 7 + x = 12, x = -5
Identify the correspondence.The two triangles shown below are congruent. List the vertices corresponding to A, B ,and C in order. 
A. X, Y and Z B. Y,X and Z C. Z, X and Y D. Y, Z and X
Solve the problem.Which of the pairs of numbers whose sum is 82 has the largest product?
A. 40 and 42 B. 41 and 41 C. 39 and 43 D. 31 and 51