Factor completely. If the polynomial cannot be factored, say it is prime.(x + 5)2 - 16

A. x2 + 10x + 9
B. (x + 9)(x + 1)
C. (x + 21)(x - 11)
D. (x - 1)(x - 9)


Answer: B

Mathematics

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Identify p, b, and a. Do not solve for the unknown.What is 51% of 81?

A. 81; b; 51 B. 51; b; 81 C. p; 81; 51 D. 51; 81; a

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Find the probability.A bag contains 5 blue marbles, 5 green marbles, and 5 red marbles. One marble is drawn from the bag. What is the probability that the marble drawn is not blue?

A.
B.
C.
D. 2

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Solve.A company has 63,000 employees. Of these,  drive alone to work,  car pool,  use public transportation,  cycle, and the remainder use other methods of transportation. How many employees use each method of transportation?

A. Drive alone: 2,100; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
B. Drive alone: 21,000; car pool: 10,500; public transportation: 9,000; cycle: 7,000; 
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Mathematics