Factor the sum or difference of two cubes completely.343y3 - 1
A. (7y - 1)(49y2 + 7y + 1)
B. (7y - 1)(49y2 + 1)
C. (7y + 1)(49y2 - 7y + 1)
D. (343y - 1)(y2 + 7y + 1)
Answer: A
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Provide an appropriate response.In right triangle ABC with right angle C, find the indicated part. Round to four significant digits. Find a if A = 48.5° and b = 7 m.
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Solve the problem.The expression 7.68t + 8.1 can be used to predict the average number of e-mail messages, in billions, each day in Country X, t years after 2000. Predict the average daily number of e-mails in Country X in the year 2003.
A. 14.94 billion B. 31.14 billion C. 15,391.14 billion D. 18.78 billion
Subtract.2329.12 - 7.894
A. 2322.23 B. 2250.18 C. 2321.226 D. 2251.18
Solve the problem.A tree casts a shadow 41 m long. At the same time, the shadow cast by a 42-cm tall statue is 66 cm long. Find the height of the tree. Round results to the nearest unit.
A. 63 m B. 26 m C. 64 m D. 25 m