Multiply the polynomials and simplify by combining like terms.(2x2 + 5x + 5)(x2 - 5x - 4)

A. 2x4 - 5x3 - 28x2 - 45x - 20
B. 2x4 - 10x3 - 28x2 - 45x - 20
C. 2x4 - 10x3 - 33x2 - 45x - 20
D. 2x4 - 5x3 - 33x2 - 45x - 20


Answer: A

Mathematics

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Perform the indicated operation.(5x2 - 4x - 5) + (4x2 - 4x + 3)

A. 9x2 - 8x - 2 B. 20x2 - 4x - 2 C. 9x4 - 8x2 - 2 D. 9x2 - 4x - 2

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Solve for part in the problem. Round to the nearest hundredth, if necessary.8.0% of 10 yards

A. 0.8 yd B. 80 yd C. 0.08 yd D. 8 yd

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A. 1.98, 1.818, 1.9885, 1.8185 B. 1.8185, 1.818, 1.98, 1.9885 C. 1.98, 1.8185, 1.818, 1.9885 D. 1.98, 1.9885, 1.8185, 1.818

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Rewrite the expression as a product. Simplify if possible. ? ?

A.
B. ?
C. ?
D. ?
E. ?

Mathematics