Simplify the expression. Assume that all variables are positive.
1/4
A. 
B. 
C. 
D. 2x2
Answer: B
Mathematics
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Use the basic identities to simplify the expression.
A. cot ? + 1
B. 
C. cot ? - 1
D. cot ? - 4
Mathematics
Find the equation of the axis of symmetry of the parabola.y = 2x2 + 20x + 48
A. x = -2 B. x = -5 C. x = 5 D. x = 2
Mathematics
Find the mode of the list of data.0.97, 0.25, 0.97, 0.13, 0.25, 0.29, 0.56, 0.97
A. 0.51 B. 0.97 C. 0.97 and 0.25 D. 0.25
Mathematics
Solve graphically.
x - 2 ? 1 - x
A. {x|x ? 2} or [2, ?) B. {x|x > 2} or (2, ?) C. {x|x < 2} or (-?, 2) D. {x|x ? 2} or (-?, 2]
Mathematics