Use reference angles to find the exact value of the expression. Do not use a calculator.cot 
A. - 
B. 
C. - 
D. 
Answer: B
Mathematics
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Complete the blank with either ? or ? to make the statement true.4 {10, 9, 8, 7}
A. ? B. ?
Mathematics
Evaluate.|-x| if x = 13
A. 13 B. -1 C. 1 D. -13
Mathematics
Solve the equation.12x - 3 = 0
A. 
B. 
C. 
D. 
Mathematics
Find the center of the ellipse.2x2 + 3y2 - 20x + 36y + 152 = 0
A. (-5, 6) B. (6, -5) C. (-6, 5) D. (5, -6)
Mathematics