Find the exact value of the expression.sin 

A.
B.
C.
D.


Answer: D

Mathematics

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Add the polynomials.(4x - 7) + (4x + 3)

A. 8x2 - 4 B. 4x C. 4x2 D. 8x - 4

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Find the indicated term.Find the 16th term of the arithmetic sequence 

A. 39 B. -51 C. 42 D. 45

Mathematics

Write interval notation.{ x ? x ? 2 }

A. (-?, 2] B. (2, ?) C. (-?, 2) D. [2, ?)

Mathematics

Solve the problem.A collection of dimes is arranged in a triangular array with 13 coins in the base row, 12 in the next, 11 in the next, and so on with 1 dime in the last row. Find the value of the collection.

A. $4.55 B. $0.91 C. $18.20 D. $9.10

Mathematics