Given a = 12, b = 11 and c = 15 use the Law of Cosines to solve the triangle for the value of C. Round answer to two decimal places.
A) 81.29°
B) 80.44°
C) 60.33°
D) 46.46°
E) 52.26°
A) 81.29°
Mathematics
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Match the symbol with the answer choice that names the same set of points based on the given figure.
A. 
B. 
C. 
D. None of these
Mathematics
Write the number in words.9,070,838
A. nine million, seven thousand, eight hundred thirty-eight B. nine million, seven hundred thousand, eight hundred thirty-eight C. nine million, seventy thousand, eight hundred thirty-eight D. ninety-seven hundred thousand, eight hundred thirty-eight
Mathematics
Perform the indicated operations and simplify the result. Leave the answer in factored form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Simplify the complex fraction using Method 2.
A. 
B. 
C. 
D. 
Mathematics