5/6 x 12
60 / 6 = 10
It takes 10 feet of string to make 12 bracelets.
B^2=9^2
9^2=81.
81 = answer
C. The Tetrahhedron has 4 faces, all of which are triangles. It also has four vertices and six edges.
Answer:
1) 8
Step-by-step explanation:
3+2 is 5
4^2 is 16
16×5=80
2×5=10
80÷10=8