Describe the coordinates of all points in Quadrant 1 .

Ihave trouble finding the nth term of a linear sequence

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.

When you find the area of a triangle do you use in. or in2