Answer:
-1
i do not remember how to solve this but i just answered a question that had this problem in it on my algebra test and that is the right answer
2/10 because there are 10 cards and there are 5 circles and 3 triangles
The cross-section of a cube, if the slice is made parallel to one of the faces, would be a square congruent to the face of the cube.
7 + 2x = 51
hope this helps
