Use the Pythagorean theorem to find the unknown side of the right triangle.
A. 7
B. 7
C. 112
D. 238
Answer: A
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Solve.A radio telescope has a parabolic surface. If it is 1 m deep and 
wide, how far is the focus from the vertex?A = 12 mB = 1 m
A. 3 m B. 9 m C. 36 m D. 1 m
Decide whether the pair of functions graphed are inverses.
A. Yes B. No
Convert the given interest rate to decimal form if it is given as a percentage, and to a percentage if it is given in decimal form.0.25 to percent
A. 25% B. 2.25% C. 2.5% D. 0.0025%
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