Select all the true statements. A. The ratio of triangles to squares is 2 to 4.
B. The ratio of squares to smiley faces is 6:4.
C. The ratio of smiley faces to triangles is 6 to 4.
D. There are two squares for every triangle.
E. There are two triangles for every smiley face.
F. There are three smiley faces for every triangle.