Decide if the number is rational or irrational.
A. Rational
B. Irrational
Answer: A
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Divide. Write with positive exponents.
A. 2x - 6 + 
B. 9x - 6
C. 2x - 6
D. 2x + 42x5 + 
Solve the problem. Round dollars to the nearest cent and rates to the nearest tenth of a percent.The amount of markup on a store item is $17. Find the cost to the store if the markup is 20%.
A. $3.40 B. $14.17 C. $20.40 D. $85.00
Solve.A box is constructed by cutting out square corners of a rectangular piece of cardboard and folding up the sides. If the cutout corners have sides with length x, then the volume of the box is given by the polynomial 
Factor out the greatest common factor for this expression.
A. 4(x3 - 14x2 + 40x) B. 2x(2x2 - 28x + 80) C. 4x(x2 - 14x + 40) D. 4x(x2 + 14x + 40)
State the dimension of the matrix.
A. 2 × 3 B. 3 × 2 C. 6 D. -9, 7, -2, 7, 7, 5