1: 8 faces and 9 with the base 9 vertices and 16 edges
2: 3 faces and 5 with the bases 6 vertices and 9 edges
3: 3 faces and 4 with the base 4 vertices and 6 edges
Hope this can help you.
I don’t think so but divide the top one by the bottom one for every one of them and if it is all the same answer they are proportional x/y
She got back $2.50 hope this helped