3D shapes

I have 12 vertices and 8 faces. What 3D shape am I?

H---

The number of edges I have is 1 more than two times the number of faces that I have. What 3D shape am I?

P----

I have 9 edges and 6 vertices. What 3D shapes am I?

T----

I have 6 faces. All of my faces are squares. What 3D shapes am I?

C---

I have two curved edges. What 3D shapes am I?

C---

I have 4 vertices and 4 triangular faces. What 3D shape am I?

T---

I have 1 curved edge and 1 circle face. What 3D shape am I? C---

I have 5 vertices, 4 trianglar faces, and 1 square face. What 3D shape am I?

S---

I have 6 faces. All the faces are rectangles. What 3D shape am I?

I have 6 triangle faces. The number of faces and vertices are the same. What 3D shape am I?

H---