Use an appropriate identity to find the exact value of the expression.cos (-165°)

A.
B.
C.
D.

Answer: C

Mathematics

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Solve the formula for the specified variable.V = Bh for h

A. h =  
B. h =  
C. h = 
D. h =  

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Graph the equation. +  = 1

A.

B.

C.

D.

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Factor completely.b6 - 1

A. (b3 + 1)(b3 - 1) B. (b + 1)(b - 1)(b2 + b + 1)(b2 - b + 1) C. (b2 + 1)(b4 - b2 + 1) D. (b + 1)(b - 1)(b4 + b2 + 1)

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Solve.-4x - 12 = -80

A. 23 B. -64 C. -17 D. 17

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