Completely factor the polynomial.x5 + 27x2
A. x2(x3 + 27x)
B. x5 (1 + 27x3)
C. x2(x3 + 27)
D. x2(x3 + 27x2)
Answer: C
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Which of the following is not true about permutations? ?
A. Order matters. The arrangement AB is a different result than BA. B. Drawing a picture of all possible outcomes, to help you find the probability of an event, is conceivable in certain situations. C. Finding the probability of selecting candidates for the positions: secretary, treasurer, and administration assistant requires the use of permutation. D. Find the probability of selecting candidates for five administrate assistant positions requires the use of permutation. E. ?None of the above.
Multiply.× 
A. 2.425 B. 0.02425 C. 0.0002425 D. 0.002425
Solve using matrices.A chemist has prepared two acid solutions, one which is 6% acid by volume and the other which is 10% acid. How many cubic centimeters of each should the chemist mix together to obtain 50 cm3 of 
-acid solution?
A. 6%-solution: 3.76 cm3; 10%-solution: 46.24 cm3 B. 6%-solution: 46.24 cm3; 10%-solution: 3.76 cm3 C. 6%-solution: 25 cm3; 10%-solution: 25 cm3 D. 6%-solution: 31 cm3; 10%-solution: 19 cm3
Find the domain of the logarithmic function.f(x) = log2(x + 6)
A. (2, ?) B. (-6, ?) C. (-?, 0) ? (0, ?) D. (6, ?)