Evaluate:  

A.
B.
C.
D.

Answer: C

Mathematics

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Solve the equation for x.y = 3 tan 2x - 1

A. x =  arctan (3y + 3)
B. x = 2 arctan 
C. x = 2 arctan (3y + 3)
D. x =  arctan 

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Mathematics

Using only the labeled angles in the diagram and assuming that l || m.



(a) Find the measure of ?1 + ?15
(b) Find all angles with measure 70° if ?15 = 70°
(c) Find the measure of ?9 if ?10 = 130°

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Mathematics

Solve.log91 = x

A. x = 1 B. x = 81 C. x = 0 D. x = 9

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Mathematics

Simplify the expression. ? ?

A.
B. 0
C. ?
D. ?
E. already simplified

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Mathematics