Evaluate the expression.61
A. 
B. 6
C. 1
D. -6
Answer: B
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Use Pascal's triangle to expand the binomial.(x - 3y)6
A. x6 - 18x5y + 135x4y2 - 540x3y3 + 1215x2y4 - 1458xy5 + 729y6 B. x6 - 18x5y - 108x4y2 - 486x3y3 - 972x2y4 - 1458xy5 - 729y6 C. x6 - 18x5y + 36x4y2 - 54x3y3 + 36x2y4 - 18x y5 + 3y6 D. x6 - 18x5y - 729x4y2 - 60x3y3 - 729x2y4 - 18xy5 - 3y6
Solve the equation.20x = 54 Round to two decimal places.
A. 1.33 B. 0.75 C. 0.43 D. 1.99
Factor completely.x4 - 1
A. (x - 1)(x + 1)(x2 + 1) B. (x2 - 1)(x2 + 1) C. (x - 1)(x + 1)(x2 - 1) D. (x - 1)2(x + 1)2
Solve the following system of equations by graphing. Write the solution as an ordered pair or state that the system has no solution or infinitely many solutions.y = 
x + 5x - 6y = -30
A. no solution B. (0, 5) C. infinitely many solutions D. (-30, 0)