Find all values of ? in [0°, 360°) that satisfy the equation.cos ? = - 
A. 150°, 210°
B. 210°, 330°
C. 60°, 300°
D. 60°, 120°
Answer: A
Mathematics
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Subtract.12 - (-1)
A. -11 B. 13 C. 11 D. -13
Mathematics
Add.
A. 57,160 B. 54,929 C. 54,819 D. 54,919
Mathematics
Perform the operations.(10x + 9y)2
A. 100x2 + 81y2 B. 10x2 + 81y2 C. 100x2 + 180xy + 81y2 D. 10x2 + 180xy + 81y2
Mathematics
Express the graph shown using interval notation. Also express it as an inequality involving x.
A. (-6, -5] -6 < x ? -5 B. [-6, -5] -6 ? x ? -5 C. [-6, -5) -6 ? x < -5 D. (-6, -5) -6 < x < -5
Mathematics