Answer:
x=9
Step-by-step explanation:
3x+y=12
3x+(-15)=12
3x=27
3/3= 27/3
x=9
Answer:
Step-by-step explanation:
if u add 3 to 27, it's 30! now 30 x 2 is 60!
5) Three- Dimensional Objects
4) Polyhedron
3) Prisms
2) Rectangular Prisms
1) Cubes
Polyhedron means "a solid figure with many plane faces"
hope this helps
I am not fully sure about the answer to this question, but I have made a suggestion. It might be D. In my opinion, but if i am wrong i am very sorry. I hope i may have helped.
