A floor is 14 feet longer than it is wide. The area of the floor is 2,067 square feet. (a) Write a quadratic equation for the area of the floor (in square feet) in terms of w, the width in feet.

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.