At the opening of an Olympic Games, the 38 representatives of a nation want to parade in columns of 6, is it possible? How could they parade in equal columns?

Find the value of the variable and the length of each secant segment.

White shapes and black shapes are used in a game. some of the shapes are circles. while the rest are squares. the ratio of the number of white shapes to the number of black shapes is 5: 11. the ratio of the number of white cicrles to the number of white squares is 3: 7. the ratio of the number of black circles to the number of black squres is 3: 8. work out what fraction of all the shapes are circles.

Find the rate at which the water is now flowing from the tap give your answer cubic centimetres per second