Solve. -  =  0

A.
B.
C. 1
D.


Answer: C

Mathematics

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Add or subtract, if possible. Assume that all variables represent non-negative values. Simplify your answer. 5 -2 - 9 - 3

A. -4 - 5
B. -4 - 
C. 14 - 5
D. 14 + 

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Change 2.5% to a fraction and reduce.

A.
B.
C.
D.

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Find y '.y = (2x - 5)(5x3 - x2 + 1)

A. 40x3 - 81x2 + 10x + 2 B. 10x3 + 27x2 - 81x + 2 C. 30x3 + 81x2 - 27x + 2 D. 40x3 - 27x2 + 81x + 2

Mathematics

Find the exact value of the expression.cos  cos  + sin  sin 

A. 1
B.
C.
D.

Mathematics