The general term of a sequence is given. Find the indicated partial sum. an = ; S4

A.
B.
C. - 
D. - 


Answer: A

Mathematics

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Write the augmented matrix for the system of linear equations.

A.
B.
C.
D.

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Find the exact acute angle ? for the given function value.sec ? = 2

A. 30° B. 45° C. 60°

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