Use the Half-angle Formulas to find the exact value of the trigonometric function. cos 
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Use the given information to answer the question.Four students are running for president of the Current Events Club: Arthur (A), Brandy (B), Chandra (C), and Darrell (D). The preference ballots for the candidates are shown. Construct a preference table to illustrate the results of the voting.
A. 
B. 
C. 
D. 
Mathematics
Find the slope and the y-intercept.10x + y = 9
A. m = 
; 
B. m = - 
; 
C. m = -10; (0, 9)
D. m = 10; (0, 9)
Mathematics
Perform the indicated operations and write the answer in the form 
where a and b are real numbers.(-7 - 6i)(-7 + 6i)
A. 85 B. 49 - 36i2 C. 49 + 36i2 D. 13
Mathematics
Determine if the relation is a function.{(1, -6), (1, 9), (6, 6), (8, -9), (12, -3)}
A. not a function B. function
Mathematics