All of the above. it is a three dimensional pyramid, and a "polyhedron" means it is triangular.
Answer: -0.8 or -4/5
Step-by-step explanation:
1/5 + 3/5 = 4/5 and u put the negatives so its -4/5. HOPE THIS HELPS :3 !!!!
Answer:
B,C,E
Step-by-step explantion
plz mark brainliest if correct
Option 3 is the best choice
Answer:
2/3 already simplified
Step-by-step explanation: