Solve.7 - 
= 4
A. 0
B. - 
, 0
C. 0, 
D. - 
, 
Answer: B
Mathematics
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Find u ? v, where ? is the angle between the vectors u and v. Round the answer to the nearest tenth.
= 5, 
= 5, ? = 
A. 12.5 B. 50 C. 21.7 D. 28.9
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Simplify the expression. Assume all variables represent nonnegative real numbers.(b4/5)5
A. b4/25 B. b4 C. b9/5 D. b1/5
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Solve the problem.The finite sequence whose general term is an = 0.11n2 - 1.03n + 7.06where n = 1, 2, 3, ..., 9 models the total operating costs, in millions of dollars, for a company from 1991 through 1999.Find 
A. $25.9 million B. $21.24 million C. $24.56 million D. $30.7 million
Mathematics
Evaluate the sum.
A. 18 B. 13 C. 5 D. 30
Mathematics