Using the Law of Cosines, find angle C when a = 5, b = 4, and c = 8.

a. 24.15ø
b. 30.75ø
c. 80.11ø
d. 125.1ø
e. 35.1ø

d. 125.1ø

Mathematics

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State the period of the function and graph.sin  - 3

A. Period 2?

B. Period 2?

C. Period 2?

D. Period 2?

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Multiply.

A. 1421 B. 1411 C. 1521 D. 1431

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Find the quotient using long division.

A. x2 - 1 + 
B. 4x2 - 4x - 1 +  
C. 4x2 - 4x - 1
D. 4x2 - 4x - 1 +  

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Find the square root. Do not use a calculator. Do not refer to a table of square roots.

A. 4096
B. 8
C. 64
D.

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