Solve the equation.
= 
A. 4
B. -4
C. -12
D. 3
Answer: B
Mathematics
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Use a table or a calculator to evaluate the function. Round to four decimal places.cot 0.2258
A. 0.2297 B. 0.9746 C. 1.0260 D. 4.3532
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Find the eccentricity of the ellipse.x2 + 144y2 = 144
A. 
B. 
C. 
D. 
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Solve the equation for the interval [0, 2?).sin2x + sin x = 0
A. x = 0, ?, 
, 
B. x = 0, ?, 
, 
C. x = 0, ?, 
, 
D. x = 0, ?, 
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Factor the four-term polynomial by grouping.15x2 + 18x + 20x + 24
A. (3x - 4)(5x - 6) B. (15x - 4)(x - 6) C. (3x + 4)(5x + 6) D. (15x + 4)(x + 6)
Mathematics