Convert the radical expression to its rational exponent form and then simplify. Assume that all variables represent positive numbers.
A. 1296
B. 63
C. 36
D. 216
Answer: D
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Factor the perfect square trinomial.9x2 + 30x + 25
A. (3x + 5)2 B. (3x - 5)2 C. (3x - 6)2 D. (3x + 5)(3x - 5)
Change the fraction 
to an equivalent decimal number and percent.
A. 0.6; 6% B. 0.06; 6% C. 0.67; 167% D. 0.6; 60%
Find the domain and sketch the graph of the function. What is its range?
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Use Bayes' rule to find the indicated probability.Two stores sell a certain MP3 players. Store A has 34% of the sales, 5% of which are of defective items, and store B has 66% of the sales, 1% of which are of defective items. The difference in defective rates is due to different levels of pre-sale checking of the product. A person receives a defective item of this product as a gift. What is the probability it came from store B?
A. 0.275 B. 0.22 C. 0.5667 D. 0.7083