Find the exact value in degrees.sin-1 
A. -30°
B. 300°
C. 30°
D. 315°
Answer: A
Mathematics
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Solve the inequality. Graph the solution set and write the solution set in set-builder notation.3x2 + 5x - 2 ? 0
A. 
B. 
C. 
D. 
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Graph the polar equation.r = 2 sin ?
A. 
B. 
C. 
D. 
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Factor completely.-6t2 - 21t + 12
A. -3(t + 4)(2t - 1) B. (-2t + 1)(3t + 12) C. -3(t - 4)(2t + 1) D. (t + 4)(-6t + 3)
Mathematics
Find the focus and the directrix of the parabola.(x + 3)2 = -28(y - 5)
A. Focus: (-3, -2); directrix: y = 12 B. Focus: (-10, -2); directrix: y = 12 C. Focus: (-3, 12); directrix: y = -2 D. Focus: (-3, -2); directrix: x = 12
Mathematics