For a class of 30 students, the scores in a Mathematics test out of 10 marks were as follows;
4,5,7,2,3,6,5,5,8,9,5,4,2,3,7,9,8,7,7,7,3,4,5,5,2,3,6,7,7,2
In the diagram above O is the center of the circle, if ∠PAQ = 75o, what is the value of ∠PBQ?
Simplify \(\frac{9^{-\frac{1}{2}}}{27^{\frac{2}{3}}}\)
