Find the exact value of the expression.tan 345°

A.
B. 2 + 
C. -2 - 
D.

Answer: C

Mathematics

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Find the exact value of the expression. Do not use a calculator.1 + sin2 85° + sin2 5°

A. 2 B. 0 C. 1 D. -1

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Write the augmented matrix for the system of equations. 4x + 3z = 33   9y + 5z = 42 6x - 2y + 8z = 54

A.

B.

C.

D.

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Solve the problem.Find the slope (pitch) of a roof that rises 3.71 feet vertically over a horizontal distance of 10.6 feet.

A. 2.86 B. 0.4 C. 39.33 D. 0.35

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Find the sum of the indicated terms of the geometric sequence.



a. s = 65,535
b. s = 65,538
c. s = 65,532
d. s = 65,541

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Mathematics