Which inequality and solution represent keeping the area of a triangle under 36 square feet if the height is twice the length of the base b?
A) 2b < 36; b< 18
B) }b? <36; b C) b2 < 36; b<6
D) 26² < 36; b <312

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.